Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6472854 | Battery operated power circuit and driving method thereof | — | 2002-10-29 |
| 6353309 | Switching circuit having a switching semiconductor device and control method thereof | Yoshiyuki Wasada, Nobuyuki Yamazaki, Yasushi Inoue, Takeshi Nakayama, Junichi Shimamura +2 more | 2002-03-05 |