Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6323579 | Ultrasonic driving motor | Yasunobu Yagita, Keichi Sato, Shoji Takahashi, Yuji Maeda | 2001-11-27 |
| 4901291 | Wrist watch type receiver of fish sonar | — | 1990-02-13 |
| 4805337 | Fish sonar body | — | 1989-02-21 |
| 4392144 | Recording unit | — | 1983-07-05 |