Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6834001 | Multi-stage switched capacitor DC-DC converter | — | 2004-12-21 |
| 6822298 | Large current capacity semiconductor device | Satoru Kaneko, Toshiyuki Ohkoda | 2004-11-23 |
| 6734475 | Charge pump device | Akira Uemoto | 2004-05-11 |
| 6707335 | Control method of charge-pump circuit | Shuhei Kawai | 2004-03-16 |
| 6693808 | Control method of DC-DC converter | — | 2004-02-17 |