Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D342506 | Projection-type television receiver | Osamu Sugihara, Hiroyuki Tsubaki | 1993-12-21 |
| D265901 | Portable cassette tape recorder | — | 1982-08-24 |
| D257975 | Micro cassette tape recorder | — | 1981-01-20 |