Issued Patents 1989
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884159 | Braking arrangement in a magnetic tape cassette | — | 1989-11-28 |
| 4871153 | Spring for biasing a braking member of a tape cassette | Kimio Tanaka, Haruo Shiba | 1989-10-03 |
| 4864450 | Protective cover for a magnetic tape cassette | Haruo Shiba, Kimio Tanaka | 1989-09-05 |
| 4853816 | Casing for cassette magnetic tape | Kimio Tanaka, Morimasa Sasaki | 1989-08-01 |
| 4847717 | Handling of a tape cassette | Haruo Shiba, Masaru Ikebe | 1989-07-11 |
| 4819889 | Magnetic tape cassette | — | 1989-04-11 |
| 4812936 | Cassette having magnetic tape protected from contaminants | Haruo Shiba | 1989-03-14 |