Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7884578 | Battery charging circuit with backflow prevention transistor, portable electronic device and semiconductor integrated circuit with backflow prevention transistor | Isao Yamamoto | 2011-02-08 |
| 7876144 | Start-up circuit and start-up method | Akihito Ito, Yoshikazu Sasaki, Isao Yamamoto | 2011-01-25 |