Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11204470 | Wavelength selective switch for multiple units | Seong-Min Kang, Tae Hwan Kim | 2021-12-21 |
| 11153667 | Twin wavelength selective switch | Tae Hwan Kim, Seong-Min Kang | 2021-10-19 |
| 10474001 | Wavelength selection switch including a switching module having a liquid crystal phase array, a polarizer and a liquid crystal on silicon | Jiyoung Lee, Namchol Song, Seongmin Kang | 2019-11-12 |
| 10267994 | Wavelength selective switch including a liquid crystal on silicon | — | 2019-04-23 |
| 9521474 | Wavelength selective switch having multi-layer reflector | Tae Hwan Kim | 2016-12-13 |
| 8619216 | Optical wavelength filter | — | 2013-12-31 |
| 8620131 | Variable optical attenuator (VOA) | — | 2013-12-31 |
| 8078019 | Optical wavelength selective router | Gil Cohen, Yossi Corem | 2011-12-13 |
| 6473148 | Seal pattern for liquid crystal device | — | 2002-10-29 |
| 5790217 | Polymer-dispersed ferroelectric liquid crystal display | Sin-Doo Lee, Kye-Hun Lee | 1998-08-04 |