Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10742021 | Power circuit, control method of power circuit, and self-driving device | Yuji Yamanaka | 2020-08-11 |
| 10476389 | Switching power supply apparatus | — | 2019-11-12 |
| 9660459 | Voltage regulator and power receiving apparatus | Hirotoshi Aizawa, Takaya Yasuda | 2017-05-23 |
| 9048731 | Rectifying apparatus | Hirotoshi Aizawa, Toru Takayama | 2015-06-02 |
| 8963522 | Current-direction detecting circuit and DC-DC converter | Yoichi Tokai | 2015-02-24 |
| 8207722 | DC/DC converter | Yoichi Tokai, Ryo Tanifuji | 2012-06-26 |
| 7519716 | Information providing method, information providing system, terminal device, central apparatus and computer memory product | Yoshiko Akazawa, Masanao Fukuichi | 2009-04-14 |
| 7313558 | Disclosing method, disclosing system, central apparatus, and computer memory product | Yoshiko Akazawa, Akinobu Miyamoto | 2007-12-25 |