Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7129682 | DC to DC converter producing output voltage exhibit rise and fall characteristics independent of load thereon | Mitsuo Saeki, Hidetoshi Yano, Hidekiyo Ozawa, Seiya Kitagawa, 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, Seiya Kitagawa, Takashi Matsumoto +2 more | 2005-06-28 |
| 6828764 | Regulator circuit and control method thereof | Kyuichi Takimoto, Yoshihiro Nagaya | 2004-12-07 |
| 6674657 | Overvoltage-protective device for power system, AC/DC converter and DC/DC converter constituting the power system | Yoshihiro Nagaya, Kyuichi Takimoto | 2004-01-06 |
| 6664772 | DC to DC converter producing output voltage exhibiting rise and fall characteristics independent of load thereon | Mitsuo Saeki, Hidetoshi Yano, Hidekiyo Ozawa, Seiya Kitagawa, Takashi Matsumoto +2 more | 2003-12-16 |
| 6452364 | Battery charge control circuit, battery charging device, and battery charge control method | Mitsuo Saeki, Seiya Kitagawa, Hidekiyo Ozawa | 2002-09-17 |
| 6420858 | DC-to-DC converter circuit having a power saving mode | Seiya Kitagawa, Hidekiyo Ozawa | 2002-07-16 |
| 6400209 | Switch circuit with back gate voltage control and series regulator | Koichi Inatomi | 2002-06-04 |
| 6337563 | DC-DC converter and semicondutor integrated circuit device for DC-DC converter | Kyuichi Takimoto, Yoshihiro Nagaya | 2002-01-08 |
| 6320359 | DC-DC converter and controller for detecting a malfunction therein | Yoshihiro Nagaya, Koichi Inatomi | 2001-11-20 |
| 6194875 | Controller for DC-DC converter | Kyuichi Takimoto, Hidekiyo Ozawa, Seiya Kitagawa | 2001-02-27 |
| 6147477 | DC to DC converter producing output voltage exhibiting rise and fall characteristics independent of load thereon | Mitsuo Saeki, Hidetoshi Yano, Hidekiyo Ozawa, Seiya Kitagawa, Takashi Matsumoto +2 more | 2000-11-14 |
| 6025706 | Method for controlling the output voltage of a DC-DC converter | Kyuichi Takimoto | 2000-02-15 |
| 5966003 | DC-DC converter control circuit | Kyuichi Takimoto, Takashi Matsumoto, Seiya Kitagawa | 1999-10-12 |