Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12197002 | Heterogeneously integrated optical modulator and manufacturing method thereof | Young-Tak Han, Seoktae KIM, Sang Ho Park, Yongsoon Baek, Seok Jun YUN +1 more | 2025-01-14 |
| 12072600 | Mach-zehnder interferometric optical modulator with shallow ridge waveguide structure and method for manufacturing the same | Hyun-Soo Kim, Duk Jun Kim, Dong Young Kim, Ho Sung Kim, Yongsoon Baek +2 more | 2024-08-27 |
| 11381315 | Optical transmitter module | Young-Tak Han, Seok Jun YUN, Seoktae KIM, Sang Ho Park, Yongsoon Baek +1 more | 2022-07-05 |
| 10935741 | Optical module and solder ball bonding structure | Young-Tak Han, Seok-Tae Kim, Jong-Hoi Kim, Sang Ho Park, Yongsoon Baek +1 more | 2021-03-02 |
| 10268004 | Multi-channel receiver optical sub-assembly and manufacturing method thereof | Young-Tak Han, Sang Ho Park, Yong Soon Baek, Yong-Hwan Kwon, Jong-Hoi Kim | 2019-04-23 |
| 10146071 | Optical transmitter module | Young-Tak Han, Sang Ho Park, Yongsoon Baek, Dong Hyo Lee, Dong Hun Lee | 2018-12-04 |
| 9904023 | Multi-channel receiver optical sub-assembly and manufacturing method thereof | Young-Tak Han, Sang Ho Park, Yong Soon Baek, Yong-Hwan Kwon, Jong-Hoi Kim | 2018-02-27 |
| 9711939 | Semiconductor optical device | Dong Hun Lee, Sang Ho Park, Yong Soon Baek, Young-Tak Han | 2017-07-18 |
| 9507109 | Optical modules | Young-Tak Han, Sang-Pil Han, Sang Ho Park, Yongsoon Baek | 2016-11-29 |
| 9411097 | Optical module | Young-Tak Han, Sang Ho Park, Yong Soon Baek | 2016-08-09 |
| 9348195 | Method of operating wavelength swept source apparatus | Oh Kee Kwon, Kwang Ryong Oh, Minhyup Song, Chul-Wook Lee, Young-Tak Han | 2016-05-24 |
| 9335474 | Optical devices and methods of fabricating the same | Young-Tak Han, Sang Ho Park, Dong Hun Lee, Sang-Pil Han, Yongsoon Baek | 2016-05-10 |
| 9265140 | Structure for connecting electrical trace lines of printed circuit boards and optical transceiver module with the same | Young-Tak Han, Sang Ho Park, Yongsoon Baek | 2016-02-16 |
| 9256038 | Optical modules | Young-Tak Han, Sang-Pil Han, Sang Ho Park, Yongsoon Baek | 2016-02-09 |
| 9207403 | Total reflection type optical switch using polymer insertion type silica optical waveguide and manufacturing method thereof | Young Sic Kim, Hyung Myung Moon, Jin Bong Kim | 2015-12-08 |
| 9069146 | Optical modules | Young-Tak Han, Sang-Pil Han, Sang Ho Park, Yongsoon Baek | 2015-06-30 |
| 9054809 | Radio frequency optical module and optical transmission apparatus including the same | Young-Tak Han, Sang Ho Park, Yongsoon Baek, Jeong Soo Kim | 2015-06-09 |
| 9042740 | Transmitter optical module | Young-Tak Han, Sang Ho Park, Oh Kee Kwon, Dong Hun Lee, Yongsoon Baek | 2015-05-26 |
| 9007672 | Transmitter optical module | Young-Tak Han, Oh Kee Kwon, Sang Ho Park, Yongsoon Baek | 2015-04-14 |
| 8805129 | Optical devices and methods of fabricating the same | Young-Tak Han, Sang Ho Park, Dong Hun Lee, Sang-Pil Han, Yongsoon Baek | 2014-08-12 |
| 8774568 | Optical modules | Young-Tak Han, Sang-Pil Han, Sang Ho Park, Yongsoon Baek | 2014-07-08 |
| 8615147 | Optical switch device and method of manufacturing the same | Young-Tak Han, Sang Ho Park, Sang-Pil Han, Yongsoon Baek | 2013-12-24 |
| 8086105 | Wavelength division multiplexer/demultiplexer having flat wavelength response | Sang Ho Park, Young-Tak Han, Sang-Pil Han, Yong Soon Baek | 2011-12-27 |
| 8055106 | Optical communication device including a digital optical switch | Young-Tak Han, Sang-Pil Han, Sang Ho Park, Yongsoon Baek | 2011-11-08 |
| 7218806 | Multi-wavelength optical transceiver module, and multiplexer/demultiplexer using thin film filter | Young-Tak Han, Yoon Jung Park, Sang Ho Park, Duk Jun Kim, Hee Kyung Sung | 2007-05-15 |