Issued Patents All Time
Showing 176–188 of 188 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7439793 | Charge pump circuits and methods for the same | — | 2008-10-21 |
| 7298190 | Phase locked loop having enhanced locking characteristics | Hwi-Taek Chung, Byeong-Hoon Lee | 2007-11-20 |
| 7245644 | Semiconductor monolithic integrated optical transmitter | Byung-Kwon Kang, Shi-Yun Cho, In Ho Kim, Do-Young Rhee, Tae Il Kim +5 more | 2007-07-17 |
| 7142457 | Non-volatile semiconductor memory device | Seung-Keun Lee | 2006-11-28 |
| 7098018 | Aminopeptidase derived from bacillus licheniformis, gene encoding the aminopeptidase, expression vector containing the gene, transformant and method for preparation thereof | Young-Phil Lee, Chul Ho JUNG, Hyung Cheol Kim, Soon-yong Choi, Jin-Suk Kim +2 more | 2006-08-29 |
| 7016232 | Non-volatile semiconductor memory device | Seung-Keun Lee | 2006-03-21 |
| 6788028 | Charging a battery using constant voltage and pulse | — | 2004-09-07 |
| 6735853 | Suction head of a surface mounting device | — | 2004-05-18 |
| 6733923 | Metal oxide electrode coated with porous metal film, porous metal oxide film or porous carbon film, its fabrication method, and lithium-ion secondary battery using it | Kyung-Suk Yun, Byung Won Cho, Won Il Cho, Hyung Sun Kim, Un-Seok Kim +2 more | 2004-05-11 |
| 6690227 | Charge pump circuit for use in high voltage generating circuit | Byeong-Hoon Lee, Seung-Keun Lee | 2004-02-10 |
| 6597838 | Grating-assisted co-directional vertical coupler optical filter having well-suppressed sidelobe characteristics and method of fabricating the same | Chan-Yong Park, Dug Bong Kim, Kwang Ryong Oh, Hong-Man Kim | 2003-07-22 |
| 6101302 | Grating-assisted vertical codirectional coupler having pair grating structure | Chan-Yong Park, Dug Bong Kim, Jeong Soo Kim | 2000-08-08 |
| 5238867 | Method for preparing an optical switching device having multiple quantum wells | O'Dae Kwon | 1993-08-24 |