Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12388441 | Gate driving circuit | Shinya TAJIMA | 2025-08-12 |
| 11365805 | Control device for vehicle and control method for vehicle | Tomoaki Honma | 2022-06-21 |
| 10941855 | Control device for vehicle and control method for vehicle | — | 2021-03-09 |
| 10917080 | Gate drive circuit | Tatsuya YANAGI, Hirotaka OTAKE, Takashi Sawada | 2021-02-09 |
| 7899896 | Method of selecting type of electronic part and electronic parts maker server | Satoshi Aikawa | 2011-03-01 |
| 7386811 | Method of selecting type of electronic part and electronic parts maker server | Satoshi Aikawa | 2008-06-10 |
| 7129682 | DC to DC converter producing output voltage exhibit rise and fall characteristics independent of load thereon | Mitsuo Saeki, Hidetoshi Yano, Hidekiyo Ozawa, Toshiyuki Matsuyama, Takashi Matsumoto +2 more | 2006-10-31 |
| 6911806 | DC to DC converter producing output voltage exhibiting rise and fall characteristics independent of load thereon | Mitsuo Saeki, Hidetoshi Yano, Hidekiyo Ozawa, Toshiyuki Matsuyama, Takashi Matsumoto +2 more | 2005-06-28 |
| 6707271 | Power supply apparatus with chargeable battery and charge/discharge method | — | 2004-03-16 |
| 6664772 | DC to DC converter producing output voltage exhibiting rise and fall characteristics independent of load thereon | Mitsuo Saeki, Hidetoshi Yano, Hidekiyo Ozawa, Toshiyuki Matsuyama, Takashi Matsumoto +2 more | 2003-12-16 |
| 6624613 | Power supply apparatus with chargeable battery and charge/discharge method | — | 2003-09-23 |
| 6452364 | Battery charge control circuit, battery charging device, and battery charge control method | Mitsuo Saeki, Hidekiyo Ozawa, Toshiyuki Matsuyama | 2002-09-17 |
| 6445164 | Power supply apparatus with chargeable battery and charge/discharge method | — | 2002-09-03 |
| 6420858 | DC-to-DC converter circuit having a power saving mode | Toshiyuki Matsuyama, Hidekiyo Ozawa | 2002-07-16 |
| 6414403 | Power unit | Mitsuo Saeki, Hidekiyo Ozawa | 2002-07-02 |
| 6204633 | Power supply apparatus with chargeable battery and charge/discharge method | — | 2001-03-20 |
| 6194875 | Controller for DC-DC converter | Kyuichi Takimoto, Toshiyuki Matsuyama, Hidekiyo Ozawa | 2001-02-27 |
| 6169392 | DC-DC converter circuit | — | 2001-01-02 |
| 6147477 | DC to DC converter producing output voltage exhibiting rise and fall characteristics independent of load thereon | Mitsuo Saeki, Hidetoshi Yano, Hidekiyo Ozawa, Toshiyuki Matsuyama, Takashi Matsumoto +2 more | 2000-11-14 |
| 6091234 | Control circuit of a synchronous rectification type DC-DC converter | — | 2000-07-18 |
| 5966003 | DC-DC converter control circuit | Kyuichi Takimoto, Takashi Matsumoto, Toshiyuki Matsuyama | 1999-10-12 |
| 5898234 | Power supply unit with simplified circuitry | — | 1999-04-27 |
| 5831418 | Step-up/down DC-to-DC converter | — | 1998-11-03 |