Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7969132 | Switching power supply unit and control method of switching power supply unit | — | 2011-06-28 |
| 6730973 | Semiconductor device | Tsuyoshi Sugihara, Satoshi Shimizu | 2004-05-04 |