Issued Patents All Time
Showing 51–75 of 154 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5101307 | Magnetic tape cassette | Masato Mizuno | 1992-03-31 |
| 5087998 | Magnetic tape cassette having improved erasure preventing device | — | 1992-02-11 |
| 5084223 | Mold and method for molding magnetic tape cassette | Kiyoo Morita | 1992-01-28 |
| 5081557 | Magnetic disk cartridge having a cutaway portion on the front edge to prevent damage from incorrect loading | Motoki Takeuchi, Akio Shinozaki | 1992-01-14 |
| 5041938 | Magnetic tape cassette | Masato Mizuno | 1991-08-20 |
| 5012379 | Magnetic tape cassette having dust blocking member for preventing entry or dust through brake release lever hole | Shozo Onmori, Daisuke Takahashi | 1991-04-30 |
| 5012378 | Magnetic tape cassette having reel brake structure providing improved dust proofing | Shozo Onmori, Daisuke Takahashi | 1991-04-30 |
| 5006947 | magnetic tape cassette having improved dust proofing | Shozo Onmori, Daisuke Takahashi | 1991-04-09 |
| 4985798 | Magnetic tape cassette having improved dust proofing | Shozo Onmori, Daisuke Takahashi | 1991-01-15 |
| 4977474 | Magnetic tape cartridge requiring uniform force during leader block attachment and detachment | Seizi Odate | 1990-12-11 |
| 4919873 | Method of molding magnetic tape cassette body half | Osamu Suzuki | 1990-04-24 |
| 4901180 | Magnetic disk cartridge | — | 1990-02-13 |
| 4898338 | Magnetic tape cassette | — | 1990-02-06 |
| 4886220 | Magnetic tape cassette | — | 1989-12-12 |
| 4844378 | Magnetic tape cassette having improved erasure preventing device | — | 1989-07-04 |
| 4841403 | Lid spring locking structure in a magnetic tape cassette | Masao Tsuruta, Seiji Kiuchi, Akira Honjyoh, Osamu Suzuki | 1989-06-20 |
| 4840760 | Manufacturing method for magnetic tape cassette | — | 1989-06-20 |
| 4832285 | Magnetic tape cassette | Osamu Suzuki | 1989-05-23 |
| 4825320 | Club magnetic tape cassette having a protective layer | Osamu Suzuki | 1989-04-25 |
| 4812939 | Magnetic recording disc having tensioned and elastically-supported recording surface | — | 1989-03-14 |
| 4797768 | Magnetic tape cassette with spring biased U-shaped pivotable guard panel | Osamu Suzuki | 1989-01-10 |
| 4796135 | Two layered tape pad for a magnetic tape cassette | — | 1989-01-03 |
| 4789113 | Hub locking mechanism in a magnetic tape cassette | Shingo Katagiri | 1988-12-06 |
| 4789916 | Magnetic disk cartridge | — | 1988-12-06 |
| 4788614 | Locking mechanism in a magnetic tape cassette | Shozo Onmori, Shingo Katagiri | 1988-11-29 |