Issued Patents All Time
Showing 76–93 of 93 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7206521 | Signal level detecting device for a burst-mode optical receiver | Hee-Chan Doh, Gil-Yong Park, Shin-Hee Won, Yun-Je Oh, Hyeon-Cheol Ki | 2007-04-17 |
| 7149431 | Self-seeded Fabry-Perot laser device for wavelength division multiplexing system | Dae-Kwang Jung | 2006-12-12 |
| 7109466 | Peak and bottom detectors in burst mode optical receiver | Gil-Yong Park, Hyeon-Cheol Ki, Yun-Je Oh, Shin-Hee Won, Seong-Ha Kim | 2006-09-19 |
| 7097706 | Non-heating clay composites for building materials | Hee Yong Choi, Hey-Zoo Hwang, Min-Chol Cho, Yu-Son Chu | 2006-08-29 |
| 7031356 | Temperature controller in optical communication device and method for same | Chan-Youl Kim, Jong Hun Lee, Sung-Il Sohn | 2006-04-18 |
| 6996138 | Fabry-Perot laser apparatus mode-locked to multi-frequency lasing light source and optical transmission apparatus using the same | Dae-Kwang Jung, Yun-Je Oh | 2006-02-07 |
| 6975448 | Automatic gain controller of optical fiber amplifier | Se-Hong Park, Sang-Ho Kim, Kwan-Woong Song, Seong-Taek Hwang | 2005-12-13 |
| 6947494 | Bit rate control apparatus and method of optical receiver | Chan-Youl Kim, Yun-Je Oh, Jeong-Seok Choi | 2005-09-20 |
| 6944562 | Temperature compensation device and method with low heat-generation | Jong Hun Lee, Chan-Youl Kim, Sung-Il Sohn | 2005-09-13 |
| 6934474 | Bidirectional add/drop multiplexer | Kwan-Woong Song, Shin-Hee Won, Yun-Je Oh | 2005-08-23 |
| 6911644 | Automatic gain control device for a burst-mode optical receiver | Hee-Chan Doh, Gil-Yong Park, Shin-Hee Won, Yun-Je Oh, Hyeon-Cheol Ki | 2005-06-28 |
| 6909082 | Automatic threshold control device for burst mode optical receiver | Hee-Chan Doh, Hyeon-Cheol Ki, Yun-Je Oh, Gil-Yong Park, Shin-Hee Won | 2005-06-21 |
| 6762878 | Gain control device and method for erbium doped fiber amplifier | Do-In Choi, Yun-Je Oh | 2004-07-13 |
| 6684033 | Bit rate detection circuit and algorithm for optical networks | Hee-Chan Doh, Yun-Je Oh, Chan-Youl Kim, Gil-Young Park | 2004-01-27 |
| 6641790 | Method for removing nitrogen oxides using natural manganese ores | Sung Ho Hong, Hyun Young Chang, Seok Joo Hong, Dong Won Kim, Sung Chang Hong +2 more | 2003-11-04 |
| 6580263 | Bit rate discrimination device with temperature compensation function | Jeong-Seok Choi, Hee-Chan Doh, Gil-Yong Park, Yun-Je Oh | 2003-06-17 |
| 5886405 | Semiconductor device package having inner leads with slots | Tae Hyeong Kim, In Sik Cho, Hee-Kook Choi | 1999-03-23 |
| 5811132 | Mold for semiconductor packages | Hee Sun Rho, Hee-Kook Choi, In Sik Cho | 1998-09-22 |