Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4805060 | Cassette tape recording and/or reproducing apparatus and casettes for use therein | Yuzo Ohtani | 1989-02-14 |
| 4786996 | Cassette tape with guiderails on cassette holder apparatus | Yuzo Ohtani | 1988-11-22 |
| 4524402 | Rotary magnetic head drum apparatus | Shigehiro Toriyama, Yuichi Matsushita | 1985-06-18 |