Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4542490 | Radio - cassette tape recorder/player system | Katsuhisa Shimizu | 1985-09-17 |
| 4228472 | Interval detection and drive mechanism for cassette tape recorder | Kobun Yoshida, Itsuo Kato | 1980-10-14 |
| 4227223 | Auto-repeat mechanism for cassette tape recorder | Kobun Yoshida, Itsuo Kato | 1980-10-07 |
| 4219852 | Improved cassette recorder having simplified operation | Kobun Yoshida, Itsuo Kato | 1980-08-26 |