Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5608702 | Disc player capable of calculating the travel time of the optical pick-up | Hideo Yano | 1997-03-04 |
| 4695059 | Hit indicating system in towed target for aerial firing practice | Masatoshi Yamashita | 1987-09-22 |