Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7116156 | Charge pump circuit | Yoshitaka Onaya | 2006-10-03 |
| 6946899 | Charge pump circuit | — | 2005-09-20 |
| 6927442 | Charge pump device | Satoru Kaneko, Toshiyuki Ohkoda | 2005-08-09 |
| 6881997 | Charge pump device | Satoru Kaneko, Toshiyuki Ohkoda | 2005-04-19 |
| 6864543 | High breakdown voltage CMOS device | Satoru Kaneko, Toshiyuki Ohkoda | 2005-03-08 |
| 6864525 | Charge pump device | Satoru Kaneko, Toshiyuki Ohkoda | 2005-03-08 |
| 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 |
| 6535052 | High efficiency charge pump circuit | — | 2003-03-18 |
| 6515535 | Charge pump circuit | — | 2003-02-04 |
| 6445243 | Charge-pump circuit and control method thereof | — | 2002-09-03 |
| 6437637 | Charge-pump circuit and control method thereof | — | 2002-08-20 |
| 6400210 | Charge-pump circuit for boosting voltage stepwise | — | 2002-06-04 |