Issued Patents All Time
Showing 226–239 of 239 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6356685 | Gain control device in semiconductor optical amplifier using optical fiber grating | Sang-Bae Lee, Jae Jo, Sang Sam Choi, Young Min Jhon, Sang Hyuck Kim | 2002-03-12 |
| 6340609 | Method of forming thin film transistor | Chang-Won Hwang | 2002-01-22 |
| 6278405 | AI antenna driving device and method for controlling the same | Dong-In Ha, Seong-Joong Kim | 2001-08-21 |
| 6211828 | Retractable antenna unit for a mobile phone | Konatantine Stanislavovich Krylov, Dong-In Ha | 2001-04-03 |
| 6195050 | Automatic antenna device for multiband mobile communication terminal | — | 2001-02-27 |
| 6191742 | Whip antenna structure of mobile terminal | Dong-In Ha, Konstantin Krylov, Seong-Joong Kim | 2001-02-20 |
| 5955797 | Portable computer being powered by either a battery pack or an AC adapter | — | 1999-09-21 |
| 5951919 | Method of preparing cathode material for lithium ion cell | Kang-Seon Hwang, Sung-Ruyl Kwon | 1999-09-14 |
| 5928622 | Method for preparing high capacity LiMn.sub.2 O.sub.4 secondary battery cathode compounds | Kang-Seon Hwang, Seung Eui Kim | 1999-07-27 |
| 5920264 | Computer system protection device | Noh-byung Park, Kwang Yeol Lee | 1999-07-06 |
| 5886424 | Power supply apparatus for portable computer and DC input selection circuit adapted to the same | — | 1999-03-23 |
| 5867007 | Selection circuit for dual batteries in a battery powered electronic device | — | 1999-02-02 |
| 5731597 | Field emitter array incorporated with metal oxide semiconductor field effect transistors and method for fabricating the same | Jong Duk Lee, Cheon Kyu Lee | 1998-03-24 |
| 5523928 | Pen with illuminator | — | 1996-06-04 |