Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7777474 | DC-DC converter with oscillator and monitoring function | Yukinori Maekawa, Keita Sekine, Takashi Matsumoto, Takehito Doi | 2010-08-17 |
| 7656143 | DC-DC converter | Takashi Matsumoto | 2010-02-02 |
| 6828764 | Regulator circuit and control method thereof | Kyuichi Takimoto, Toshiyuki Matsuyama | 2004-12-07 |
| 6674657 | Overvoltage-protective device for power system, AC/DC converter and DC/DC converter constituting the power system | Kyuichi Takimoto, Toshiyuki Matsuyama | 2004-01-06 |
| 6587006 | Oscillator circuit | Jun Kawajiri, Kyuichi Takimoto | 2003-07-01 |
| 6337563 | DC-DC converter and semicondutor integrated circuit device for DC-DC converter | Kyuichi Takimoto, Toshiyuki Matsuyama | 2002-01-08 |
| 6320359 | DC-DC converter and controller for detecting a malfunction therein | Koichi Inatomi, Toshiyuki Matsuyama | 2001-11-20 |
| 6198264 | Maximum duty ratio setting circuit for a DC-DC converter | Takashi Matsumoto | 2001-03-06 |