Issued Patents All Time
Showing 51–75 of 133 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4905113 | Magnetic tape cassette having a slider mounted on the lower casing member | Takateru Satoh, Masaru Ikebe, Morimasa Sasaki | 1990-02-27 |
| 4899242 | Locking mechanism of magnetic tape cassette | Kenji Hashizume, Masaru Ikebe, Masatoshi Okamura | 1990-02-06 |
| 4892266 | Magnetic tape cassette | Kimio Tanaka, Takateru Sato | 1990-01-09 |
| 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 |
| 4863031 | Disc cartridge having peripheral disc support | Kimio Tanaka | 1989-09-05 |
| 4863116 | Guide member in a cassette for data carrying material | Michio Iizuka, Masatoshi Okamura | 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 |
| 4791515 | Protecting a disc cartridge from inadvertent actuation during nonuse | Kimio Tanaka | 1988-12-13 |
| 4787006 | Shutter pin groove for a magnetic disc cartridge | Michio Iizuka | 1988-11-22 |
| 4785368 | Device for selecting a surface of a disc in a cartridge | Kimio Tanaka | 1988-11-15 |
| 4781340 | Magnetic tape cassette | Masatoshi Okamura, Makoto Saito | 1988-11-01 |
| 4782418 | Disc cartridge | Kimio Tanaka | 1988-11-01 |
| 4782417 | Disc cartridge | Kimio Tanaka | 1988-11-01 |
| 4779158 | Disc cartridge | Kimio Tanaka | 1988-10-18 |
| 4771351 | Device for positioning a spring within a tape cassette and the spring therefore | Kimio Tanaka, Takateru Satoh | 1988-09-13 |