Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5029610 | Flow-control type piezoelectric element valve | Hajime Hiratsuka, Yasuhiko Miyo | 1991-07-09 |
| D281604 | Projection television receiver | Hiroyuki Katada | 1985-12-03 |
| D271200 | Projection television receiver | Hiroyuki Katada | 1983-11-01 |