Patents

Recent Patents

[Patents: Granted (15건)]

1. Il-Gu Lee, So-Eun Jeon, Ye-Sol Oh, Ji-Eun Lee, "A capsule endoscope apparatus and supporting method for diagnosing the lesions," Korea, Patent, No. 10-2625668, Jan. 11, 2024 (Filed at Jul. 7, 2021)

캡슐 내시경 장치 및 병변 진단 지원 방법 (이일구, 전소은, 오예솔, 이지은), 대한민국, 등록 특허, 10-2625668, 2024.01.11 (출원일 2021.07.07)

2. Il-Gu Lee, Sun-Jin Lee, Sun-Mi Choi, Yeon-Joo Han, "Distributed processing device and operating method therof," Korea, Patent. No. 10-2437715, Aug.24, 2022 (Filed at Jun. 7, 2021).

데이터 분산처리 장치 및 이의 동작 방법 (이일구, 이선진, 최선미, 한연주), 대한민국, 등록 특허, 10-2437715, 2022.08.24 (출원일 2021.06.07)

3. Il-Gu Lee, Na-Eun Park, So-Eun Jeon, So-Young Joo, So-Yeon Kim, "Method and systems for transmitting secure data between nodes," Korea Appl. No. 10-2384949, April. 5, 2022 (Filed at Feb. 26, 2021).

노드 간 보안 데이터를 전송하는 방법 및 시스템 (이일구, 박나은, 전소은, 주소영, 김소연), 대한민국, 등록 특허, 10-2384949, 2022.04.05 (출원일 2021.02.26)

4. Il-Gu Lee, So-Hyun Park, Sun-Woo Yun, Na-Eun Park, So-Yeon Kim, Eun-Young Lee, So-Hyun Bae, Ye-Sol Oh, Jung-Hyun Moon, "Network information security method and apparatus," Korea,  Patent. No. 10-2421722, Jul. 12, 2022 (Filed at Sep. 28, 2020).

네트워크 정보 보호 방법 및 장치 (이일구, 박소현, 윤선우, 박나은, 김소연, 이은영, 배소현, 오예솔, 문정현), 대한민국, 등록 특허, 10-2421722, 2022.04.05 (출원일 2020.09.28)

5. Il-Gu Lee, Jeong-Hwa Ryu, Hee-Sun Yun, Yu-Rim Lee, Eun-Young Lee, So-Eun Jeon, "Recognition method and recognition device of vicious text data," Korea, Patent. No. 10-2366369, Feb. 18, 2022 (Filed at Jun. 9, 2020).

악성 텍스트 데이터 인식 방법 및 악성 텍스트 데이터 인식 장치 (이일구, 류정화, 윤희선, 이유림, 이은영, 전소은), 대한민국, 등록 특허, 10-2366369, 2022.02.18 (출원일 2020.06.09)

6. Il-Gu Lee, Ji-Hyun Nam, Sun-Jae Lee, "Method and apparatus for managing subject data based on block chain," U.S. Patent No. 11475437, Oct. 18, 2022.

블록체인 기반 대상 데이터 관리 방법 및 장치 (이일구, 남지현, 이선재), 미국, 등록 특허, 11475437, 2022.10.18 (출원일 2019.05.21, 우선권 2018.05.21)

7. Il-Gu Lee, Sun-Woo Yun, Yu-Jin Lee, "Blockchain based decentralized ledger for highly reliable distribution and management trading apparatus and method," Korea, Patent. No. 10-2360809, Feb. 4, 2022 (Filed at Aug. 21, 2018).

블록체인 기반의 분산 원장 기술을 이용한 농축산물 거래 방법 및 장치 (이일구, 윤선우, 이유진), 대한민국, 등록 특허, 10-2360809, 2022.02.04 (출원일 2019.08.20, 우선권 2018.08.21)

8. Il-Gu Lee, Ji-Hyun Nam, Sun-Jae Lee, "Method and apparatus for managing subject data based on blockchain," Korea, Patent. No. 10-2288045, Aug. 04, 2021 (Filed at May. 21, 2018).

블록체인 기반 대상 데이터 관리 방법 및 장치 (이일구, 남지현, 이선재), 대한민국, 등록 특허, 10-2288045, 2021.08.04 (출원일 2019.05.20, 우선권 2018.05.21)

9. Il-Gu Lee, Na-Eun Park, So-Eun Jeon, Ye-Sol Oh, Ji-Eun Lee, "Operation method of drone system," Korea, Patent. No. 10-2313117, Oct. 8, 2021 (Filed at May. 15, 2020).

드론 시스템의 동작 방법 (이일구, 박나은, 전소은, 오예솔, 이지은), 대한민국, 등록 특허, 10-2313117, 2021.10.08 (출원일 2020.05.15) 

10. Il-Gu Lee, So-Hyun Park, Sun-Woo Yum, Yu-Rim Lee, Sun-Jin Lee, TaeRim Park, Hye-Yeon Shim, "Drone system and operation method thereof," Korea, Patent, No. 10-2320573, Dec.27, 2021 (Filed at Dec.27, 2021)

드론 시스템 및 드론 시스템의 동작 방법 (이일구, 박소현, 윤선우, 이유림, 이선진, 박태림, 심혜연), 10-2320573, 2021.10.27 (출원일 2021.12.27)

11. Il-Gu Lee, Na-Eun Park, So-Eun Jeon, Se-Young Lee, "Method of learning sensing data based on sensor and method of providing service," Korea, Patent. No. 10-2255076, May. 17, 2021 (Filed at Aug. 30, 2019).

센서기반 센싱 데이터 학습방법 및 서비스 제공 방법 (이일구, 박나은, 전소은, 이세영), 대한민국, 등록 특허, 10-2255076, 2021.06.17 (출원일 2019.08.30)

12. Il-Gu Lee, So-Hyun Park, Sun-Woo Yun, "Sensor data forgery prevention device, security visualization device and security system including the same," Korea, Patent. No. 10-2336848, Dec. 2021 (Filed at Aug. 09, 2019).

센서 데이터 위변조 방지 장치, 보안성 시각화 장치 및 이를 포함하는 보안 시스템 (이일구, 박소현, 윤선우), 대한민국, 등록 특허, 10-2336848, 2021.12.03 (출원일 2019.08.09)

13. Il-Gu Lee, So-Hee Kim, Young-Eun Oh, "Trackable de-identification method, apparatus and system," Korea, Patent. No. 10-2328199, (Filed at Jan. 14, 2019).

추적 가능한 비식별화 방법, 장치 및 시스템 (이일구, 김소희, 오영은), 대한민국, 등록 특허, 10-2328199, 2021.11.12 (출원일 2020.01.14, 우선권 2019.01.14)

14. Il-Gu Lee, Ji-Hyun Nam, Na-Yeon Shin, "Blockchain based spectrum sharing method and apparatus," Korea, Patent. No. 10-2198950, Dec. 29, 2020(Filed at Aug. 28, 2018).

블록체인 기반 전파 공유 방법 및 장치 (이일구 남지현, 신나연), 대한민국, 등록 특허, 10-2198950, 2020.12.29 (출원일 2019.08.28, 우선권 2018.08.28)

15. Il-Gu Lee, Sun-Jin Lee, "Method and apparatus for searching sound data," Korea, Patent. No. 10-2185784, Nov. 26, 2020 (Filed at Jun. 08, 2018).

음향 데이터 탐색 방법 및 장치 (이일구, 이선진), 대한민국, 등록 특허, 10-2185784, 2020.11.26 (출원일 2019.06.05, 우선권 2018.06.08)

[Patents: Pending (22건)]

1. Il-Gu Lee, So-Eun Jeon, Seung-Ha Ji, Yeon-woo Lee, Yun-Jyung Song, "Method and apparatus for monitoring communication for a communication device," Korea, Patent, No.10-2024-0176615, 2024.12.02.

통신 장치를 위한 통신 모니터링 방법 및 장치 (이일구, 전소은, 지승하, 이연우, 송윤경), 대한민국, 특허출원, 10-2024-0176615, 2024.12.02.

2. Il-Gu Lee, Sun-Jin Lee, "Appratus and method for transmitting data frame utilizing interframe space," Korea, Patent, No. 10-2024-0157433, 2024.11.07.

인터프레임 스페이스를 활용한 데이터 프레임 전송 장치 및 방법 (이일구, 이선진), 대한민국, 특허출원, 10-2024-0157433, 2024.11.07.

3. Il-Gu Lee,  Sohyun Park, Gee-Hee Yun, Kyoung-Jin Kim, "Digital identity system and method for operating digital identity system," USA Appl. 18/913,265, Oct. 11, 2024

디지털 신원 시스템 및 디지털 신원 시스템의 동작 방법 (이일구, 박소현, 윤지희, 김경진), 미국, 특허 출원, 18/913,265, 출원일 2024.10.11

4. "Apparatus and method for channel information sharing for cooperative communications," Korea, Patent, No. 10-2024-0114968, 2024.08.27.

협력 통신을 위한 채널 공유 정보 공유 방법 및 장치, 대한민국 특허출원, 10-2024-0114968, 2024.08.27.

5. "Apparatus for watermarking encoding and decoding using error correction code and method for the same," Korea, Patent, No.10-2024-0102473, 2024.08.01.

에러 정정 코드를 이용한 워터마킹 인코딩 장치 및 디코딩 장치와 워터마킹 인코딩 방법 및 디코딩 방법, 대한민국, 특허출원, 10-2024-002473, 2024.08.01.

6. Il-Gu Lee, So-Eun Jeon, Sun Jin Lee, "Access point management device for emergency communication and method for the same," Korea, Patent, No. 10-2024-0064307, 2024.05.17

여론 조사 장치 및 방법 (이일구, 박나은, 이연지, 전유란, 박소현, 심혜연), 대한민국, 특허출원, 10-2024-0064307, 출원일 2024.05.17.

7. Il-Gu Lee, Sun Jin Lee, So-Eun Jeon, Na-Eun Park, Ha-Eun Lee"Smart control apparatus and method," Korea, Patent, No. 10-2024-00599425, 2024.05.03

스마트 컨트롤 장치 및 방법 (이일구, 이선진, 전소은, 박나은, 이하은), 대한민국, 특허출원, 10-2024-0059425, 출원일 2024.05.03

8. Il-Gu Lee, Na-Eun Park, Yeon-Ji Lee, Yu-Ran Jeon, So-Hyun Park, Hye-Yeon Shim, "Opinion survey apparatus and method," Korea, Patent, No. 10-2024-0064307, 2024.05.17

재난 통신을 위한 액세스 포인트 관리 장치 및 방법 (이일구, 전소은, 이선진), 대한민국, 특허출원, 10-2024-0057012, 출원일 2024.04.29.

9. Il-Gu Lee, Sun-Jin Lee, So-Eun Jeon, "Jammer defence device and method," Korea, Patent, No. 10-2024-0045081, 2024.04.03

재밍 방어 장치 및 방법, 대한민국, 특허출원 10-2024-0045081, 출원일 2024.04.03.

10. Il-Gu Lee, So-Eun Jeon, Yeon-Ji Lee, Kyoung-Jin Kim, "Authentication apparatus and user apparatus based on ruleset, authentication method and authentication request method based on rule set," Korea, Patent, No. 10-2024-0018282, 2024.02.26.

규칙 세트 기반의 인증 장치 및 사용자 장치, 인증 방법 및 인증 요청 방법, 대한민국, 특허출원, 10-2024-0018282, 출원일 2024.02.26.

11. Il-Gu Lee, Sun-Jin Lee, So-Eun Jeon, "Jamer defence device and method," Korea, Patent, No. 10-2024-0045081, 2024.04.03

재머 방어 장치 및 방법 (이일구, 이선진, 전소은), 대한민국, 특허 출원, 10-2024-0045081, 출원일 2024.04.03, 우선권 2023.10.23.

12. Il-Gu Lee, Jin-Min Lee, Sun-Jin Lee, Kyung-Jin Kim, "Online and offline P2P authentication using OTP," Korea Appl. 10-2024-0051773, Apr. 18, 2024

OTP를 활용한 온오프라인 P2P 인증 (이일구, 이진민, 이선진, 김경진), 대한민국, 특허 출원, 10-2024-0051773, 우선권 2023.10.11, 출원일 2024.04.18

13. Il-Gu Lee,  Sohyun Park, Gee-Hee Yun, Kyoung-Jin Kim, "Digital identity system and method for operating digital identity system," Korea Appl. 10-2024-0032631, Mar. 7, 2024

디지털 신원 시스템 및 디지털 신원 시스템의 동작 방법 (이일구, 박소현, 윤지희, 김경진), 대한민국, 특허 출원, 10-2024-0032631, 출원일 2024.03.07

14. Il-Gu Lee, So-Eun Jeon, Yeon-Ji Lee, Kyung-Jin Kim, "Authentication apparatus and user apparatus based on ruleset, authentication method and authenction request method based on ruleset," Korea Appl. 10-2024-0018282, Feb. 6. 2024.

규칙 세트 기반의 인증 장치 및 사용자 장치, 인증 방법 및 인증 요청 방법 (이일구, 전소은, 이연지, 김경진), 대한민국, 특허 출원, 10-2024-0018282, 출원일 2024.02.06, 우선권 2023.10.11

15. Il-Gu Lee, So-Eun Jeon, Ye-Sol Oh, Ji-Eun Lee, "Capsule endoscope apparatus and method of supporting lesion diagnosis," U.S, Appl. No. 17857583, Jan. 12, 2023.

캡슐 내시경 장치 및 병변 진단 지원 방법 (이일구, 전소은, 오예솔, 이지은), 미국, 특허 출원, 17857583, 2024.01.12 

16. Il-Gu Lee, Ye-Seul Kil, Yu-Ran Jeon, Sun-Jin Lee, "Attack detection method using parallel binary classification mechanism," Korea Appl. 10-2023-0189596, Dec. 22, 2023.

병렬 이진 분류 메커니즘을 이용한 공격 탐지 방법 (이일구, 길예슬, 전유란, 이선진), 대한민국, 특허출원, 10-2023-0189596, 2023.12.22

17. Il-Gu Lee, Jung-Hwa Ryu, Yu-Ran Jeon, Jung-Hyun Moon, "Mobile repeater supporting multi-link operation and methods for relaying communication using thereof," Korea Appl. 10-2023-0173369, Dec. 4, 2023.

다중 링크 동작을 지원하는 이동형 중계기 및 이를 이용한 통신 중계 방법 (이일구, 류정화, 전유란, 문정현), 대한민국, 특허 출원, 10-2023-0173369, 2023.12.04

18. 실시간 바이오센싱정보를 갖는 바이오센싱정보용 QR코드를 기반으로 한 지능형 응급상황관리와 NFT 생성 제어장치 및 방법 (박원형, 이일구, 오정주), 대한민국, 특허 출원, 10-2023-0189596, 2023.11.07

19. Il-Gu Lee, Ye-Seul Kil, Yeon-Ji Lee, So-Eun Jeon, Ye-Sol Oh, "Optimal feature selection method for secure data transmission and system using the same and smart communication infrastructure," Korea Appl. 10-2023-0135723, Oct. 12, 2023.

안전한 데이터 전송을 위한 최적의 특징 선택 방법 및 그를 이용한 시스템과 스마트 통신 인프라 (이일구, 길예슬, 이연지, 전소은, 오예솔), 대한민국, 특허 출원, 10-2023-0135723, 2023.10.12

20. Il-Gu Lee, Yu-Rim Lee, So-Eun Jeon, Sun-Jin Lee, "Method and apparatus for classifying malicious encryption traffic according to noise level," Korea Appl. 10-2022-0154908, Nov. 17, 2022.

노이즈 수준에 따른 악성 암호화 트래픽 분류 방법 및 장치 (이일구, 이유림, 전소은, 이선진), 대한민국, 특허 출원, 10-2022-0154908, 2022.11.17

21. Il-Gu Lee, So-Eun Jeon, Sun-Jin Lee, Yu-Rim Lee, "Method and apparatus for retrieving and evaluating user actions in metaverse," Korea Appl. 10-2022-0036839, Mar. 24, 2022.

메타버스에서 사용자 동작을 검색하고 평가하는 방법 및 장치 (이일구, 전소은, 이선진, 이유림), 대한민국, 특허 출원, 10-2022-0036839, 2022,03.24.

22. Il-Gu Lee, Yu-Rim Lee, Na-Eun Park, "Method and apparatus for adaptive data processing of homomorphic encryption," Korea Appl. 10-2022-0110795, Sept. 1, 2022.

동형 암호의 적응적 데이터 처리 방법 및 장치 (이일구 ,이유림, 박나은), 대한민국, 특허 출원, 10-2022-0110795, 2022.09.01

Registered International Patents

1. Jae Woo Park, Il-Gu Lee, et. al, "Method and apparatus for transceiving data," U.S. Patent No. 11722187, Aug. 8, 2023.

2. Il-Gu Lee, et. al., "Packet mode auto-detection in multi-mode wireless communication system, signal field transmission for the packet mode auto-detection, and gain control based on the packet mode," U.S. Patent No. 11665035, May. 30, 2023.

3. Il-Gu Lee, et. al., "Method for transmitting and receiving frame," U.S. Patent N. 10904878, Jan. 26, 2021.

4. Il-Gu Lee, et. al., "Method and apparatus for controlling transmission power in WLAN system," U.S. Patent No. 10880841, Dec. 29, 2020.

5. Il-Gu ee, et. al., "Power saving method in wireless communication system," U.S. Patent No.10863480, Dec.8, 2020.

6. Jae Woo Park, Il-Gu Lee, et. al, "Method and apparatus for transceiving data," U.S. Patent No. 10601474, Mar. 24, 2020.

7. Il-Gu Lee, et. al., “Method and apparatus for interference aware communications,” U.S. Patent No.10432415, Oct.1, 2019.

8. Hee-Jung Yu, Il-Gu Lee, et. al, “Transmitting and Receiving Systems for Increasing Service Coverage in Orthogonal Frequency Division Multiplexing Wireless Local Area Network, and Method Thereof,” U.S. Patent No. RE47,522, Jul. 16, 2019.

9. Yongjin Kwon, Il-Gu Lee, et. al., "Transmission method," U.S Patent No. 10205566, Granted, Feb. 12, 2019. 

10. Jae Woo Park, Il-Gu Lee, et. al., "Method and apparatus for transceiving data in a MIMO system", U.S Patent No. 10090894, Oct. 2, 2018.

11. Jongee Oh, Il-Gu Lee, et al., “Method and Apparatus for Transmitting and Receiving Frame,” U.S. Patent No. 9860917, Jan. 2, 2018.

12. Il-Gu Lee, et. al., "Method for transmitting and receiving frame," U.S. Patent No. 10057899, Aug. 21, 2018. 

13. Il-Gu Lee, "Frame transmitting method," U.S. Patent No. 9806868, Oct. 31, 2017.

14. Il-Gu Lee, et. al., "Method for transmitting frame and method for detecting transmission mode," U.S Patent No. 9716606, Jul. 25, 2017.

15. Il-Gu Lee, et. al., "Physical layer low power communication method and apparatus," U.S. Patent No. 9668212, May 30, 2017.

16. Il-Gu Lee, et. al, "Signaling Method," U.S. Patent No. 9609090, Mar. 28, 2017.

17. Il-Gu Lee, et. al., "Method for protecting opportunity to transmit data frame in wireless LAN system," U.S. Patent No. 9504065, Nov. 22, 2016.

18. Il-Gu Lee, et. al., "Multi-channel low power communication method and apparatus," U.S. Patent No. 9456418, Sep. 27, 2016.

19. Il-Gu Lee, et. al., "Power saving method in wireless communication system," U.S. Patent No. 9432940, Aug. 30, 2016.

20. Il-Gu Lee et. al, “Method for Protecting Opportunity to Transmit Data Frame in Wireless LAN System,” US. Patent No. 9247566, Jan. 26, 2016.

21. Il-Gu Lee et. al, “Packet Mode Auto-Detection in Multi-Mode Wireless Communication System, Signal Field Transmission for the Packet Mode Auto-Detection, and Gain Control based on the Packet Mode,” U.S. Patent No. 9503304, Nov. 22, 2016.

22. Il-Gu Lee et. al, “Multi-channel low power communication method and apparatus,” U.S. Patent No. 9456418, Sep. 27, 2016. 

23. Jeawoo Park, Il-Gu Lee et. al, “Method and Apparatus for Transceiving Data in a MIMO System,” CA. Patent No. 2792925, May. 24, 2016.

24. Jeawoo Park, Il-Gu Lee et. al, “Method and Apparatus for Transceiving Data in a MIMO System,” EPO. Patent No. 2547001, May. 11, 2016.

25. Jeawoo Park, Il-Gu Lee et. al, “Method and Apparatus for Transceiving Data in a MIMO System,” US. Patent No. 9014212, Apr. 21, 2015.

26. Heejung Yu, Il-Gu Lee et. al, “Method and Apparatus for Transmitting Relay Frame in Wireless Communication System,” US. Patent No. 9226323, Dec. 29, 2015.

27. Il-Gu Lee et. al, “Method and apparatus for transmitting symbol repeatedly in wireless communication system,” US. Patent No. 9001929, Apr. 7, 2015.

28. Il-Gu Lee et. al, “Wireless Transmitter for High Mobility and High Throughput and Mode Control Method Thereof,” US. Patent No. 9154349, Oct. 6, 2015.

29. Il-Gu Lee et. al, “Packet Mode Auto-Detection in Multi-Mode Wireless Communication System, Signal Field Transmission for the Packet Mode Auto-Detection, and Gain Control based on the Packet Mode,” US. Patent No. 9001637, Apr. 7, 2015.

30. Il-Gu Lee et. al, “Method and Apparatus for Controlling Transmission Power in WLAN System,” US. Patent No. 9161316, Oct. 13, 2015.

31. Il-Gu Lee et. al, “Power Saving Method in Wireless Communication System,” EPO. Patent No. 2496029, Feb. 25, 2015.

32. Il-Gu Lee et. al, “Packet Mode Auto-Detection in Multi-Mode Wireless Communication System, Signal Field Transmission for the Packet Mode Auto-Detection, and Gain Control based on the Packet Mode,” US. Patent No. 9154359, Oct. 6, 2015.

33. Jeawoo Park, Il-Gu Lee et. al, “Method and Apparatus for Transceiving Data in a MIMO System,” US. Patent No. 9172447, Oct. 27, 2015.

34. Il-Gu Lee et. al, “Link Adaptation Method and Apparatus in Wireless Communication System,” U.S. Patent No. 8626079, Jan. 7, 2014 (Filed Jul. 22, 2008, and Publication at Jun. 18, 2009).

35. Il-Gu Lee et. al, “Method for Protecting Opportunity to Transmit Data Frame in Wireless LAN System,” U.S. Patent No. 8630274, Jan. 14, 2014.

36. Il-Gu Lee et. al, “Data Transmission Method and Apparatus for Wireless Communication Systems,” U.S. Patent No. 8649324, Feb. 11, 2014.

37. Il-Gu Lee et. al, “Method and Apparatus for Transmitting/Receiving Data in Wireless Communication System,” U.S. Patent No. 8718191, May. 6, 2014.

38. Il-Gu Lee et. al, “Method and Apparatus for Controlling Transmission Power in WLAN System,” U.S. Patent No. 8750269, Jun. 10, 2014.

39. Il-Gu Lee et. al, “Transmitter/Receiver for Wireless Communication System”, U.S. Patent No. 8750814, Jun. 10, 2014.

40. Heejung Yu, Il-Gu Lee et. al, “Method for Generating and Transmitting Frame in a Wireless Local Area Network and Apparatus for Supporting the Same,” U.S. Patent No. 8774222, Jul. 8, 2014.

41. Il-Gu Lee et. al, “Signal receiving Apparatus and Method for Wireless Communication System using Multiple Antennas,” U.S. Patent No. 8811537, Aug. 19, 2014.

42. Il-Gu Lee et. al, “Apparatus and Method for Detecting Packet End Point in Wireless Communication System,” U.S. Patent No. 8817921, Aug. 16, 2014.

43. Il-Gu Lee et. al, “Power Saving Method in Wireless Communication System,” JP. Patent No. 5658264, Dec. 5, 2014.

44. Il-Gu Lee et. al, “Power Saving Method in Wireless Communication System,” U.S. Patent No. 8411698 B2, Apr. 2, 2013.

45. Il-Gu Lee et. al, “Receiver for High-Speed Wireless Communication System and Control Method Thereof,” U.S. Patent No. 8416897, Apr. 9, 2013.

46. Il-Gu Lee et. al, “Transmitter and Receiver for High Throughput Wireless Communication System using Multiple Antenna, Method Thereof, and Digital Intermediate Frequency Transmission Signal Processing Method for the Same,” U.S. Patent No. 8422465 B2, Granted, Apr. 16, 2013.

47. Jeawoo Park, Il-Gu Lee et. al, “Method of Indicating the End of User Frame in MU-MIMO System,” U.S. Patent No. 8422474, Apr. 16, 2013.

48. Minho Cheong, Il-Gu Lee, et. al, “Apparatus and Method for Detecting Reception Signal Symbol Synchronization in Wireless Communication System,” U.S. Patent No. 8472577, Jul. 25, 2013. 

49. Minho Cheong, Il-Gu Lee, et. al, “Apparatus and Method for Channel Estimation in MIMO System,” U.S. Patent No. 8483235, Jul. 9, 2013.

50. Jeawoo Park, Il-Gu Lee et. al, “Method of Indicating the End of User Frame in MU-MIMO System,” MX. Patent No. 312480, Aug. 20, 2013.

51. Il-Gu Lee et. al, “Data Transmission/Reception Apparatus and Method for Wireless Communication System,” U.S. Patent No. 8554148, Oc. 8, 2013.

52. Il-Gu Lee et. al, “Packet Mode Auto-Detection in Multi-Mode Wireless Communication System, Signal Field Transmission for the Packet Mode Auto-Detection, and Gain Control based on the Packet Mode,” U.S. Patent No. 85582418, Nov. 12, 2013.

53. Il-Gu Lee et. al, “Apparatus and Method for Transmitting/Receiving Data in Wireless Communication System,” U.S. Patent No. 8599817, Dec. 3, 2013.

54. Jeawoo Park, Il-Gu Lee et. al, “Method and Apparatus for Transceiving Data in a MIMO System,” AU. Patent No. 2011224959, Dec. 11, 2013.

55. Jung-Bo Son, Il-Gu Lee, et. al, “Method for Digital System Modeling by Using Higher Software Simulator,” U.S. Patent No. 7783467, Jan. 31, 2012.

56. Chan-Ho Yoon, Il-Gu Lee, et. al, “Receiving Apparatus and Method for MIMO System,” U.S. Patent No. 8107563, Granted, 2012 (Filed at Jul. 22, 2008, and Publication at Jun. 18, 2009).

57. Il-Gu Lee et. al, “Apparatus and Method for Transmitting Data in Wireless Communication System,” U.S. Patent No. 8265564, Sep. 11, 2012.

58. Chan-Ho Yoon, Il-Gu Lee et. al, “Apparatus and Method for Discriminating Frame Format in Wireless Communication System,” U.S. Patent No. 8295195, Oct. 23, 2012.

59. Il-Gu Lee, et. al, “Automatic Gain Control Device Having Variable Gain Control Interval and Method Thereof,” U.S. Patent No. 7676208, Mar. 9, 2010.

60. Hee-Jung Yu, Il-Gu Lee, et. al, “Transmitting and Receiving Systems for Increasing Service Coverage in Orthogonal Frequency Division Multiplexing Wireless Local Area Network, and Method Thereof,” U.S. Patent No. 7839760, Nov. 23, 2010.

Pending International Patents

1. Il-Gu Lee, et. al, “Packet Mode Auto-Detection in Multi-Mode Wireless Communication System, Signal Field Transmission for the Packet Mode Auto-Detection, and Gain Control based on the Packet Mode,” Pub. No. US 2021/0152407, Appl. No. 17/151094, Jan. 15, 2021.

2. Il-Gu Lee, et. al., "Power saving method in wireless communication system," Pub. No. US 2021/0127384, Appl. No. 17/113048, Apr. 29, 2021.

3. Il-Gu Lee, et. al., "Method for transmitting and receiving frame," Pub. No. US 2021/0127392, Appl. No. 17/139,826, Apr. 29, 2021.

4. Il-Gu Lee, et al., "Multi-mode wireless transmission method and apparatus," Pub. No. US 20200322193, Appl. No. 16/905708, Oct. 8, 2020.

5. Jae-Woo Park, Il-Gu Lee, et. al., "Method and apparatus for transceiving data," Pub. No. US 20200212969, Appl. No. 16/813,777, Jul. 2, 2020.

6. Il-Gu lee, et. al, "Method and apparatus for managing subject data based on blockchain", U.S, Appl. No. 16/418299, May. 29, 2019.

7. Jae Woo Park, Il-Gu Lee, et. al.,"Method and apparatus for transceiving data in a mimo system," Pub. No. US 2019/0007111, Appl. No. 16/122858, Jan. 3, 2019.

8. Il-Gu Lee, et. al., "Power saving method in wireless communication system," Pub. No. US 2018/0192377, Appl. No. 15/910879, Mar. 2, 2018.

9. Yongjin Kwon, Il-Gu Lee, et. al., "Transmission method," Pub. No. US 2018/0205510, Appl. No. 15/920267, Mar. 13, 2018.

10. Il-Gu Lee, et. al., "Method for transmitting and receiving frame," Pub. No. US 2018/0324800, Appl. No. 14/708030, Jul. 19, 2018.

11. Il-Gu Lee, et. al., "Packet mode auto-detection in multi-mode wireless communication system, signal field transmission for the packet mode auto-detection, and gain control based on the packet mode," Pub. No. US 2018/0375701, Appl. No. 16/050910, Dec. 27, 2018.

12. Jae Woo Park, Il-Gu Lee, et. al., "Method and apparatus for transceiving data in a mimo system," Pub. No. US 2017/0222697, Appl. No. 15/486123, Apr. 12, 2017.

13. Yongjin Kwon, Il-Gu Lee, et. al., “Transmission method,” Patent number 20160021667, Application number 14/753582. Jan. 21, 2016.

14. Il-Gu Lee, et al., “Method and apparatus for transmitting frames,” Patent number 20160135083, Application number 14/935375, May. 12, 2016.

15. Il-Gu Lee, et. al., “Method for transmitting frame, clear channel assessment method, and apparatus implementing the same method,” Patent number 20160135224, Application number 14/932833, May. 12, 2016.

16. Il-Gu Lee et. al, “Method and apparatus for dynamic bandwidth allocation of multiple channel access,” Patent No. 62/100,011, Jan. 5, 2015.

17. Il-Gu Lee et. al, “Method and apparatus for low interference transmission and protection,” Patent No. 62/102,495, Jan. 12, 2015.

18. Il-Gu Lee, et. al., “Method for low-power communications in wireless local area network and apparatus for the same,” Patent number 20150296454, Application number 14/682034, Oct. 15, 2015.

19. Il-Gu Lee, et al, “Signaling method,” Patent number 20150312386, Application number 14/695907, Oct. 29, 2015.

20. Il-Gu Lee, et al., “Method for transmitting and receiving frame,” Patent number 20150334708, Application number 14/708030, Nov. 19, 2015.

21. Jongee Oh, Il-Gu Lee, et. al., "Method and apparatus for transmitting and receiving frame," Pub. No. US 2015/0312941, Appl. No. 14/695744, Apr. 24, 2015.

22. Il-Gu Lee et. al, “Method for Low-Power Communications in Wireless Local Area Network and Apparatus for the Same,” U.S. Patent No. US20150296454 A1, Pending, Oct. 15, 2015 (Filed at Apr. 8, 2015 and Publication at Oct. 15, 2015).

23. Il-Gu Lee et. al, “Multi-mode wireless transmission method and apparatus,” U.S. Patent No. US20150117428 A1, Pending, 2015. 

24. Il-Gu Lee, et. al., “Method for Transmitting and Receiving Frame,” U.S. Patent No. US20150334708 A1, Pending, Nov. 19, 2015 (Filed at May 8, 2015, and Publication at Nov. 19, 2015).

25. Il-Gu Lee, et. al, ”Narrow Band OFDMA & Half Subcarrier Spacing Transmission,” Patent No. 61/991,396, May. 9, 2014.

26. Il-Gu Lee et. al, “Method and apparatus for response frame transmission rate selection rule,” Patent No. 62/077,073, Sept. 07, 2014.

27. Il-Gu Lee et. al, “Method and apparatus for backward compatible non-primary channel cca,” Patent No. 62/077,077, Sept. 07, 2014.

28. Il-Gu Lee et. al, “Method and apparatus for BSS color indication,” Patent No. 62/080,037, Sept. 14, 2014.

29. Il-Gu Lee et. al, “Method and apparatus for robust acknowledgement transmission,” Patent No. 62/080,048, Sept. 14, 2014.

30. Il-Gu Lee et. al, “Method and apparatus for high efficiency wireless local area network utilizing simultaneous transmission,” Patent No. 62/080,876, Sept. 17, 2014.

31. Il-Gu Lee et. al, “Method and apparatus for narrow band reduced subcarrier spacing OFDMA transmission,” Patent No. 62/081,952, Filed, Sept. 19, 2014.

32. Il-Gu Lee et. al, “Method and apparatus for high efficiency wireless local area network utilizing simultaneous transmission,” Patent No. 62/095,688, Filed, Sept. 22, 2014.

33. Il-Gu Lee et. al, “HEW signaling on legacy frames,” Patent No. 62/088,450, Filed, Dec. 5, 2014.

34. Il-Gu Lee et. al, “Method and apparatus for robust transmission in large delay spread,” Patent No. 62/089,122, Filed, Dec. 8, 2014.

35. Il-Gu Lee et. al, “Method and apparatus for robust transmission in large delay spread,” Patent No. 62/095,694, Filed, Dec. 22, 2014.

36. Il-Gu Lee et. al, “Method for Communication based on Mobile Access Point in Radio Communication System and Apparatus for the Same,” U.S. Patent No. US20130163565 A1, Pending, Jun. 27, 2013 (Filed at Sep. 13, 2012, and Publication at Jun. 27, 2013).

37. Il-Gu Lee et. al, “Method and Apparatus of Sending Frames in Cognitive Radio System,” U.S. Patent No. US20120163314 A1, Pending, Jun. 28, 2012 (Filed at Dec. 21, 2011, and Publication at Jun. 28, 2012).

38. Hee-Jung Yu, Il-Gu Lee, et. al.,"Transmitting and receiving systems for increasing service coverage in orthogonal frequency division multiplexing wireless local area network, and method thereof," Pub. No. US RE47522, Appl. No. 13/684283, Filed, Nov. 23, 2012.

39.  Il-Gu Lee et. al, “Apparatus and Method for Receiving Data in Wireless Communication System,” U.S. Patent No. US20110149773 A1, Pending, Jun. 23, 2011 (Filed at Dec. 15, 2010, and Publication at Jun. 23, 2011).

40. Il-Gu Lee et. al, “Apparatus and Method for Transmitting/Receiving Data in a Communication System,” U.S. Patent No. US20110283155 A1, Pending, Nov. 17, 2011 (Filed at May. 11, 2011, and Publication at Nov. 17, 2011).

Domestic Patents

Approximately over 40 granted and 30 pending patents