Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5710598 | Picture compressing and expanding apparatus | Yukihiro Ukai | 1998-01-20 |
| 4420783 | Mode selector assembly for use in tape recorders | Takahiko Suezawa, Satoru Koizumi, Hiroaki Nakao | 1983-12-13 |
| 4404610 | Mode selection assembly for use in tape recorders or the like | Satoru Koizumi, Hiroaki Nakao | 1983-09-13 |