Issued Patents 1989
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885651 | Tape cassette with low friction slide member for guiding movement of a lid thereon | Masatoshi Okamura, Kenji Hashizume | 1989-12-05 |
| 4871153 | Spring for biasing a braking member of a tape cassette | Kimio Tanaka, Takateru Satoh | 1989-10-03 |
| 4864450 | Protective cover for a magnetic tape cassette | Kimio Tanaka, Takateru Satoh | 1989-09-05 |
| 4863116 | Guide member in a cassette for data carrying material | Michio Iizuka, Masatoshi Okamura | 1989-09-05 |
| 4863031 | Disc cartridge having peripheral disc support | Kimio Tanaka | 1989-09-05 |
| 4858849 | Tape cassette housing | Masatoshi Okamura, Kenji Hashizume, Yoshiya Sakata | 1989-08-22 |
| 4847717 | Handling of a tape cassette | Takateru Satoh, Masaru Ikebe | 1989-07-11 |
| 4845582 | Disc cartridge | Kimio Tanaka | 1989-07-04 |
| 4837651 | Disc cartridge | Kimio Tanaka, Toshihiko Ishida | 1989-06-06 |
| 4812936 | Cassette having magnetic tape protected from contaminants | Takateru Satoh | 1989-03-14 |
| 4803678 | Disc cartridge | Kimio Tanaka | 1989-02-07 |
| 4802047 | Disc cartridge | Kimio Tanaka | 1989-01-31 |
| 4802046 | Casing assembly for a disc cartridge | Kimio Tanaka | 1989-01-31 |
| 4799122 | Mounting a disc receiver in a disc cartridge | Kimio Tanaka | 1989-01-17 |