Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6407659 | Electronic device | Toshikazu Nakamura | 2002-06-18 |
| 6236550 | Motor activating circuit device and refrigerator | Yoshihiro Yamada, Haruo Takahata | 2001-05-22 |
| 6172593 | Electronic component | Yoshihiro Yamada, Haruo Takahata | 2001-01-09 |
| 5963125 | Electronic devices having reduced destruction of internal elements upon malfunction | Yoshihiro Yamada, Haruo Takahata | 1999-10-05 |