Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9553480 | Power system | Akinobu Sawada, Masahide Tanaka | 2017-01-24 |
| 9209706 | Switching rectifier circuit and battery charger using same | Tsutomu Takahagi | 2015-12-08 |
| 8373957 | Load driving circuit and protection method | — | 2013-02-12 |
| 7660210 | Disk device | Seiichi Yamamoto, Nobuo Nakamachi, Yoshiki Tanaka, Shinsuke Takagimoto | 2010-02-09 |
| 7312967 | Electronic apparatus | Seiichi Yamamoto | 2007-12-25 |
| 7289396 | Disk device | Seiichi Yamamoto, Nobuo Nakamachi, Yoshiki Tanaka, Shinsuke Takagimoto | 2007-10-30 |
| 6958595 | Step-up/step-down DC-DC converter and portable device employing it | Michiaki Yama | 2005-10-25 |