Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11197377 | Flexible circuit board and method for producing same | Kang Dong KIM, Won Tae Jo, Duck Jae Seo, Jung Sub Kim | 2021-12-07 |
| 8206044 | Integrated optical sub-assembly | Wol-Yon Hwang, Jin Soo Choi, Young-Bok In, Do Hun Kim, Jae Hyun Jin | 2012-06-26 |
| 6597838 | Grating-assisted co-directional vertical coupler optical filter having well-suppressed sidelobe characteristics and method of fabricating the same | Chan-Yong Park, Seung Won Lee, Dug Bong Kim, Kwang Ryong Oh | 2003-07-22 |
| 6027255 | Bidirectional optical communication module using single optical fiber | Gwan Chong Joo, Ki Sung Park, Sang Hwan Lee, Seung Goo Kang, Min-Kyu Song | 2000-02-22 |
| 5641612 | Method for manufacturing self-aligned optic fiber-optic element coupling device | Sang Hwan Lee, Gwan Chong Joo, Dong-Goo Kim | 1997-06-24 |
| 5581108 | Optical Switching device | Kwang Ryong Oh, Ki Sung Park, Chong-Dae Park | 1996-12-03 |
| 5504768 | Semiconductor laser device and method for manufacturing the same | Chan-Yong Park, Ji-Beom Yoo, Kyung Hyun Park, Dong-Hoon Jang, Jung-Kee Lee | 1996-04-02 |
| 5369292 | Avalanche photodiode having a multiplication layer with superlattice | Ji-Beom Yoo, Chan-Yong Park | 1994-11-29 |