Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |