Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5125471 | Automatic car-speed controller | Toshio Iwaoka, Yuichi Yamaguchi, Akihiko Tsukahara | 1992-06-30 |
| 5107947 | Automatic car-speed controller | Yuichi Yamaguchi, Toshio Iwaoka, Akihiko Tsukahara | 1992-04-28 |
| 5085286 | Car-speed control system | Toshio Iwaoka, Yuichi Yamaguchi, Akihiko Tsukahara | 1992-02-04 |
| 5014201 | Automatic car-speed controller with detection of abnormality of the electromagnetic clutch | Akihiko Tsukahara, Toshio Iwaoka, Yuichi Yamaguchi | 1991-05-07 |
| 4988931 | Motor driving device | Akihiko Tsukahara, Toshio Iwaoka, Yuichi Yamaguchi | 1991-01-29 |
| 4978898 | Motor driving and malfunction detecting device | Akihiko Tsukahara, Toshio Iwaoka, Yuichi Yamaguchi | 1990-12-18 |