Issued Patents 2011
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8072246 | Switching power supply device, semiconductor integrated circuit device and power supply device | Toshio Nagasawa | 2011-12-06 |
| 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 |
| 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 |
| 7898233 | Multiphase voltage regulators and methods for voltage regulation | Tetsuo Sato, Masato Ono | 2011-03-01 |