Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE41791 | Pulse generator provided with a duty-factor limiting function | — | 2010-10-05 |
| 7701684 | Power supply apparatus and power supply system including the same addressing abnormality | Takahiro Ota, Eiji Nakagawa | 2010-04-20 |
| 7675279 | Switching regulator soft start circuitry using a D/A converter | Naruhiro Okamoto | 2010-03-09 |
| 6958595 | Step-up/step-down DC-DC converter and portable device employing it | Kenichi Niiyama | 2005-10-25 |
| 6377109 | Load driver circuit | — | 2002-04-23 |
| 6194936 | Pulse generator provided with a duty-factor limiting function | — | 2001-02-27 |
| 6121657 | Semiconductor integrated circuit device having gates arranged in a lattice | — | 2000-09-19 |
| 5892353 | Power supply apparatus | — | 1999-04-06 |
| 5696871 | DC motor control circuit | Sachito Horiuchi | 1997-12-09 |