Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE35155 | Cassette holding device for a tape recorder | Shinsaku Tanaka, Tadao Arata | 1996-02-13 |
| 4802037 | Cassette holding device for a tape recorder | Shinsaku Tanaka, Tadao Arata | 1989-01-31 |