Patents

International 

• Dong-Jin Lee et al., "Inverted f-type array antenna having structure for isolation improvement," PCT Patent, #PCT/KR2015/000860, Filed: Jan. 27, 2015, Assignee: KAIST. 

Domestic

• Dong-Jin Lee et al., “Method and Apparatus for Detecting Getting On/Off of Passenger in Tagless Fare Payment System,” Korean Patent, #KR20210082892, Filed: Jun. 25, 2021, Assignee: KRRI.

• Dong-Jin Lee et al., “RFID Auxiliary Sensor System for Train Autonomous Driving,” Korean Patent, #KR20210104423, Filed: Feb. 7, 2020, Assignee: KRRI.

• Dong-Jin Lee et al., “Train Wireless Sensor Node Using RF Energy Harvesting,” Korean Patent, #KR20210073690, Filed: Dec. 10, 2019, Assignee: KRRI.

• Dong-Jin Lee et al., “Beam steering antenna using shorted-patch antenna,” Korean Patent, #KR20150062734, Filed: Nov. 29, 2013, Assignee: KAIST.

• Dong-Jin Lee et al., “Antenna integrated unit and antenna system having the same,” Korean Patent, #KR20120127407, Filed: Nov. 12, 2012, Assignee: KAIST.