Issued Patents All Time
Showing 1–25 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12388630 | Quantum key distribution system and operation method thereof | Kyongchun LIM, Chun Ju Youn, Joong-Seon Choe, Minchul Kim | 2025-08-12 |
| 12375183 | Beam tracking module, free-space quantum communication device, and free-space optical communication device | Minchul Kim, Chun Ju Youn, Kap-Joong Kim, Kyoungchun Lim, Joong-Seon Choe | 2025-07-29 |
| 11860376 | Polarization decomposition device | Kap-Joong Kim, Chun Ju Youn, Heasin Ko, Joong-Seon Choe | 2024-01-02 |
| 11843002 | Transistor structure, display device including transistor structure, and method of manufacturing transistor structure | Hyun Sup Lee, Jung Hun Noh, Keun-Kyu Song, Sang Hee Jang | 2023-12-12 |
| 11770245 | Quantum key distribution system and operation method thereof | Kyongchun LIM, Chun Ju Youn, Young Ho Ko, Kap-Joong Kim, Minchul Kim +2 more | 2023-09-26 |
| 11594656 | Quantum light source device and optical communication apparatus including the same | Young Ho Ko, Kap-Joong Kim, Won Seok Han | 2023-02-28 |
| 11522618 | Quantum information transmitter, quantum communication system including the same, and operating method of quantum information transmitter | Kyongchun LIM, Chun Ju Youn, Young Ho Ko, Kap-Joong Kim, Minchul Kim +1 more | 2022-12-06 |
| 11009755 | Display device and method of manufacturing the same | Hyung Il Jeon, Sang Hee Jang | 2021-05-18 |
| 11004870 | Transistor structure, display device including transistor structure, and method of manufacturing transistor structure | Hyun Sup Lee, Jung Hun Noh, Keun-Kyu Song, Sang Hee Jang | 2021-05-11 |
| 10788721 | Liquid crystal display | Sang Hee Jang, Hyun Sup Lee, Jung Hun Noh, Keun-Kyu Song | 2020-09-29 |
| 10649139 | Optical waveguide structure | Duk Jun Kim, Young Ho Ko, Dong Young Kim, Jong-Hoi Kim, Yongsoon Baek +3 more | 2020-05-12 |
| 10497744 | Method of fabricating light emitting device | Hyun Sup Lee, Jung Hun Noh, Sang Hee Jang, Hyung Il Jeon | 2019-12-03 |
| 10447010 | Method and apparatus for controlling external cavity laser | — | 2019-10-15 |
| 10379407 | Liquid crystal display having oriented pixel elements | Sang Hee Jang, Hyun Sup Lee, Jung Hun Noh, Keun-Kyu Song | 2019-08-13 |
| 10340293 | Transistor display panel including a transistor and an overlapping region of a gate line and data line | Jung Hun Noh, Hyun Sup Lee, Sang Hee Jang, Hyung Il Jeon | 2019-07-02 |
| 10276630 | Light emitting device and fabricating method thereof | Hyun Sup Lee, Jung Hun Noh, Sang Hee Jang, Hyung Il Jeon | 2019-04-30 |
| 10254608 | Display device | Jung Hun Noh, Masataka Kano, Yeon Keon Moon, Keun-Kyu Song, Jun Ho Song +2 more | 2019-04-09 |
| 10156757 | Liquid crystal display device | Hyun Sup Lee, Jung Hun Noh, Keun-Kyu Song, Sang Hee Jang | 2018-12-18 |
| 10018864 | Liquid crystal display device comprising a common electrode having first and second openings and method of manufacturing the same | Jung Hun Noh, Keun-Kyu Song, Hyun Sup Lee, Sang Hee Jang | 2018-07-10 |
| 9674951 | Method of forming fine electrode for flat panel display | Hyun Sup Lee, Jung Hun Noh, Keun-Kyu Song, Sang Hee Jang | 2017-06-06 |
| 9420357 | Method and apparatus for selecting wavelength by wavelength tunable optical receiver | Jong Sool Jeong, Dong Hun Lee, Mi-Ran Park, Hyun-Soo Kim, O Kyun Kwon | 2016-08-16 |
| 9407061 | Tunable light source | Ki-Hong Yoon | 2016-08-02 |
| 9343614 | Superluminescent diode, method of manufacturing the same, and wavelength-tunable external cavity laser including the same | Su Hwan Oh, Ki-Hong Yoon, Kisoo Kim, O-Kyun Kwon, Oh Kee Kwon +1 more | 2016-05-17 |
| 9148227 | Reflective colorless optical transmitter | Hyun-Soo Kim, Dong Hun Lee, Mi-Ran Park, Kisoo Kim, O-Kyun Kwon | 2015-09-29 |
| 9099839 | Coherent wavelength tunable laser apparatus | Ki-Hong Yoon, O Kyun Kwon, Jong Sool Jeong, Ki-Soo Kim | 2015-08-04 |