Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8093876 | Power control circuit to prevent a malfunction of a protection circuit | Hironori Nakahara, Yoshinori Imanaka, Isao Yamamoto | 2012-01-10 |
| 7868744 | Driving apparatus of mover | Isao Yamamoto | 2011-01-11 |
| 7863833 | DC/DC converter control circuit, and power supply apparatus, light emitting apparatus and electronic device using the same | Yoichi Tamegai, Isao Yamamoto | 2011-01-04 |
| 7859229 | Discharge device | Hisanori Hoshikawa, Isao Yamamoto, Youichi Tamegai | 2010-12-28 |
| 7579784 | Switching power supply and its control circuit, and electronic apparatus employing such switching power supply | Yoichi Tamegai, Isao Yamamoto | 2009-08-25 |
| 7315095 | Voltage regulating apparatus supplying a drive voltage to a plurality of loads | Noboru Kagemoto, Isao Yamamoto | 2008-01-01 |
| 7307385 | Boost controller capable of step-up ratio control | Isao Yamamoto, Noboru Kagemoto | 2007-12-11 |
| 7190195 | Input circuit and output circuit | Isao Yamamoto, Yoichi Tamegai | 2007-03-13 |