Issued Patents 1989
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871153 | Spring for biasing a braking member of a tape cassette | Takateru Satoh, Haruo Shiba | 1989-10-03 |
| 4864450 | Protective cover for a magnetic tape cassette | Haruo Shiba, Takateru Satoh | 1989-09-05 |
| 4863031 | Disc cartridge having peripheral disc support | Haruo Shiba | 1989-09-05 |
| 4862448 | Disc cartridge and casing therefor | Morimasa Sasaki, Masaru Ikebe | 1989-08-29 |
| 4853816 | Casing for cassette magnetic tape | Takateru Satoh, Morimasa Sasaki | 1989-08-01 |
| 4845582 | Disc cartridge | Haruo Shiba | 1989-07-04 |
| 4837651 | Disc cartridge | Toshihiko Ishida, Haruo Shiba | 1989-06-06 |
| 4803678 | Disc cartridge | Haruo Shiba | 1989-02-07 |
| 4802049 | Disc cartridge | Masaoki Sekine | 1989-01-31 |
| 4802047 | Disc cartridge | Haruo Shiba | 1989-01-31 |
| 4802046 | Casing assembly for a disc cartridge | Haruo Shiba | 1989-01-31 |
| 4799122 | Mounting a disc receiver in a disc cartridge | Haruo Shiba | 1989-01-17 |