Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8063620 | Switching power supply device and semiconductor integrated circuit | Kyoichi Hosokawa, Toshio Nagasawa, Koji Tateno | 2011-11-22 |
| 7986133 | Power supply unit | Toshio Nagasawa | 2011-07-26 |
| 7969129 | Semiconductor circuit and switching power supply apparatus | — | 2011-06-28 |
| 7902799 | Switching power supply device and semiconductor integrated circuit | Kyoichi Hosokawa, Toshio Nagasawa, Koji Tateno | 2011-03-08 |
| 7898233 | Multiphase voltage regulators and methods for voltage regulation | Tetsuo Sato, Masato Ono | 2011-03-01 |
| 7898232 | Voltage clamp circuit, a switching power supply device, a semiconductor integrated circuit device, and a voltage level conversion circuit | Koji Tateno | 2011-03-01 |
| 7859326 | Switching power supply device, semiconductor intergrated circuit device and power supply device | Toshio Nagasawa | 2010-12-28 |
| 7777462 | Power supply unit | Toshio Nagasawa | 2010-08-17 |
| 7737672 | Semiconductor circuit and switching power supply apparatus | — | 2010-06-15 |
| 7663354 | Voltage clamp circuit, a switching power supply device, a semiconductor integrated circuit device, and a voltage level conversion circuit | Koji Tateno | 2010-02-16 |
| 7659144 | Semiconductor device and manufacturing the same | Nobuyuki Shirai, Yukihiro Sato | 2010-02-09 |
| 7550959 | Power supply device and switching power supply device | Koji Tateno, Shin Chiba, Kyoichi Hosokawa, Toshio Nagasawa | 2009-06-23 |
| 7548050 | Switching power supply device and semiconductor integrated circuit | Nobuyuki Shirai | 2009-06-16 |
| 7514908 | Switching power supply device and a semiconductor integrated circuit | Kyoichi Hosokawa, Toshio Nagasawa, Koji Tateno | 2009-04-07 |
| 7408388 | Switching power supply device, semiconductor integrated circuit device and power supply device | Toshio Nagasawa | 2008-08-05 |
| 7385380 | Switching power supply | Takuya Ishigaki, Takashi Sase, Akihiko Kanouda, Koji Tateno | 2008-06-10 |
| 7342391 | Power supply device and switching power supply device | Koji Tateno, Shin Chiba, Kyoichi Hosokawa, Toshio Nagasawa | 2008-03-11 |
| 7307406 | Switching power supply device and a semiconductor integrated circuit | Nobuyuki Shirai | 2007-12-11 |
| 7245116 | Power supply device and switching power supply device | Koji Tateno, Shin Chiba, Kyoichi Hosokawa, Toshio Nagasawa | 2007-07-17 |
| 7166992 | Electronic component for power supply and a power supply device | Kyoichi Hosokawa, Koji Tateno | 2007-01-23 |
| 7158392 | Switching power supply device and the semiconductor integrated circuit for power supply control | Kyoichi Hosokawa, Kenichi Onda, Yoichi Uehara, Shinichi Yoshida | 2007-01-02 |
| 7138786 | Power supply driver circuit | Takuya Ishigaki, Takashi Sase, Akihiko Kanouda, Koji Tateno | 2006-11-21 |
| 6559718 | Semiconductor integrated circuit device | Shin Chiba, Jin Kiong Ang | 2003-05-06 |