Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1077494 | Chair | Changgon Lee | 2025-06-03 |
| 11496220 | Wireless optical transceiver based on polarization pulse position and differential phase shift modulation and method thereof | Won Ho Shin | 2022-11-08 |
| D878793 | Chair | — | 2020-03-24 |
| 10154488 | Dynamic sub-band allocation in the time-variant channel | Soo Min KANG | 2018-12-11 |
| 10020892 | Apparatus and method of in-phase/quadrature separated dual multicarrier transmission for coherent optical transmission | Sang Min Jung | 2018-07-10 |
| 10003408 | Receiving method and receiver device for a coherent optical communication system | Kyoung Hak Mun | 2018-06-19 |
| 9979485 | Method and apparatus for cancelling interference noise in optical communication system | Hyoung Joon Park | 2018-05-22 |
| 9749047 | Optical network unit capable of reducing optical beat interference and method for controlling the same | Kyoung Hak Mun, Seung Min YANG | 2017-08-29 |
| 7899406 | Apparatus for suppressing cross modulation noise in diversity system of mobile terminal receiver | Seong-Joong Kim, Young-Il Son | 2011-03-01 |
| 7253943 | Phase optimization apparatus and method for obtaining maximum extinction ratio in mach-zehnder interferometer wavelength converter using cross phase modulation of semiconductor optical amplifier | Joo-youp Kim | 2007-08-07 |
| D543370 | Chair without armrest | — | 2007-05-29 |
| 7092146 | Method and apparatus for controlling a SOA-MZI wavelength converter | Joo-youp Kim | 2006-08-15 |