Patents

[9] "Nonlinear unitary optical device. "

Sunkyu Yu, Namkyoo Park, Xianji Piao, Kunwoo Park

# KR (Application Number: 10-2025-0005056 / Provisional: 10-2024-0179951) 

Filing Date: 2025.01.13 / Provisional: 2024.12.05  

# US (Application Number: 19/048,370) 

Filing Date: 2025.02.07 

# EU (Application Number: 25156862.2) 

Filing Date: 2025.02.10 

[8] "Photonic integrated circuits for implementing non-Abelian gauge fields. "

Namkyoo Park, Sunkyu Yu, Xianji Piao, Gyunghun Kim 

# KR (Application Number: 10-2024-0147067 / Provisional: 10-2024-0119460) 

Filing Date: 2024.10.24 / Provisional: 2024.09.03

# US (Application Number: 19/038,487) 

 Filing Date: 2025.01.27 

[7]  "Transparent reflective panel capable of selective reflection and manufacturing method thereof. "

Hyeokjung Kang, Namkyoo Park, Sunkyu Yu, Xianji Piao 

# KR 10-2746381 (Application Number: 10-2022-0028958) 

egistration Date: 2024.12.19 (Filing Date: 2022.03.07) 

[6] "Device and method for designing material using deep learning. "

Sunkyu Yu, Namkyoo Park, Xianji Piao 

# KR 10-2708560 (Application Number: 10-2021-0033525) 

Registration Date: 2024.09.13 (Filing Date: 2021.03.15) 

# US (Application Number: 17/644,445) 

Filing Date: 2021.12.15 

[5] "High-Q perfect light absorber and optical devices using the same, Method for implementing High-Q perfect light absorber. "

Sunkyu Yu, Namkyoo Park, Xianji Piao
# KR 10-1743158 (Application Number: 10-2015-0103582) 

Registration Date: 2017.05.29 (Filing Date: 2015.07.22)  

[4] "Junction structure for wave propagation, wave diode and wave half-adder using the same. "

Namkyoo Park, Sunkyu Yu, Xianji Piao, Sukmo Koo 

# KR 1012326890000, # US 8737790B2, # WO 2013002520 A3 

[3] "Photonic device for use in surface plasmon surface plasmon integrated circuits "

Korea, #1362130, Feb. 6, 2014.

[2] "Plasmonic element"

Korea, #1167638, May 27, 2012.

[1] "Out of plane mode conversion and manipulation of Surface Plasmon Polariton Waves for Optical devices" 

Korea, #1104364, Jan. 03, 2012.