Issued Patents 2011
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8044639 | Selector circuit | Ichiro Yokomizo, Hironori Nakahara | 2011-10-25 |
| 7994737 | Drive circuit of DC/DC converter, light emitting apparatus and electronic device using the same | Isao Yamamoto | 2011-08-09 |
| 7960955 | Power supply device, electronic device using the same, and semiconductor device | Tomoyuki Ito, Koki Tamakawa, Isao Yamamoto | 2011-06-14 |
| 7924540 | Over-voltage protection circuit | — | 2011-04-12 |
| 7894717 | Control circuit for self exciting DC/DC converter | Satoru Nate, Isao Yamamoto | 2011-02-22 |
| 7863833 | DC/DC converter control circuit, and power supply apparatus, light emitting apparatus and electronic device using the same | Isao Yamamoto, Kyoichiro Araki | 2011-01-04 |