Issued Patents All Time
Showing 26–50 of 133 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5153801 | Disk cartridge having coupled shutters for closing plural cartridge openings | Masaru Ikebe, Morimasa Sasaki, Kenji Hashizume | 1992-10-06 |
| 5121278 | Disc cartridge having disc supporting arrangement | Kimio Tanaka | 1992-06-09 |
| 5121277 | Disc cartridge with shutter and assembling and mounting mechanism therefor | Masaru Ikebe | 1992-06-09 |
| 5115365 | Magnetic tape cassette having elastic pad element | Kenji Hashizume, Masatoshi Okamura | 1992-05-19 |
| 5107386 | Magnetic tape cassette | Kenji Hashizume, Masatoshi Okamura | 1992-04-21 |
| 5091814 | Disk cartridge having discontinuous hub-position determining rib | Masaru Ikebe, Morimasa Sasaki | 1992-02-25 |
| 5082197 | Tape cassette | Takateru Satoh, Kimio Tanaka, Noboru Uemura, Kenkichi Akaoka | 1992-01-21 |
| 5081556 | Protective casing for a magnetic disk | Masaru Ikebe, Morimasa Sasaki | 1992-01-14 |
| 5077625 | Cartridge having casing with shutter movable to receive discs therein | Masaru Ikebe | 1991-12-31 |
| 5072326 | Disc cartridge and shutter assembly thereof | Masaru Ikebe | 1991-12-10 |
| 5057960 | Hub for a disk type recording medium | Masaru Ikebe, Toshihiko Ishida | 1991-10-15 |
| 5044496 | Case | Kimio Tanaka | 1991-09-03 |
| 5034844 | Disc cartridge with bent shutter plate to facilitate mounting of shutter plate on disc casing | Masaru Ikebe | 1991-07-23 |
| 5034839 | Structures for fixedly supporting tape guides in a magnetic tape cassette | Masatoshi Okamura, Takashi Namioka | 1991-07-23 |
| 5018039 | Disc cartridge with thick portion surrounding head insertion hole | Masaru Ikebe, Morimasa Sasaki | 1991-05-21 |
| 5010435 | Hub for a disk type recording medium | Masaru Ikebe, Toshihiko Ishida | 1991-04-23 |
| 5004180 | Magnetic tape cassette | Masatoshi Okamura, Takashi Namioka | 1991-04-02 |
| 4991048 | Disc cartridge casing with shutter slidably fitted therein to uncover a pick-inserting hole | Masaru Ikebe | 1991-02-05 |
| 4991047 | Tape guides and method of manufacturing the same | Masatoshi Okamura, Takashi Namioka, Takayuki Kohama | 1991-02-05 |
| 4979065 | Disc cartridge having a liner and an elastic member for maintaining the liner in contact with a disc | Masaru Ikebe, Kimio Tanaka, Kenkichi Akaoka | 1990-12-18 |
| 4977475 | Lining member for the surface of a casing for a disc cartridge | Masaru Ikebe | 1990-12-11 |
| 4965690 | Tape cassette having outer housing layers of elastomeric material | Kimio Tanaka | 1990-10-23 |
| 4949210 | Tape cassette | Takateru Satoh, Noboru Uemura, Kimio Tanaka, Kenkichi Akaoka | 1990-08-14 |
| 4935833 | Guide members for magnetic tape cassette | Kimio Tanaka, Takateru Sato | 1990-06-19 |
| 4930714 | Reel for a magnetic tape | Kenji Hashizume, Masatoshi Okamura | 1990-06-05 |