Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7960955 | Power supply device, electronic device using the same, and semiconductor device | Tomoyuki Ito, Yoichi Tamegai, Isao Yamamoto | 2011-06-14 |
| 7807956 | Current detection circuit | Tatsuya Iwasaki, Isao Yamamoto | 2010-10-05 |