Issued Patents All Time
Showing 76–100 of 154 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4788614 | Locking mechanism in a magnetic tape cassette | Shozo Onmori, Shingo Katagiri | 1988-11-29 |
| 4785369 | Shutter for magnetic disk cartridge | Shozo Ommori | 1988-11-15 |
| 4781879 | Method of making a magnetic recording disk | — | 1988-11-01 |
| 4779160 | Magnetic recording disk | — | 1988-10-18 |
| 4767007 | Magnetic tape cassette | Osamu Suzuki | 1988-08-30 |
| 4763217 | Optical tape end detector in magnetic tape casette with means to compensate for misalignment of light source and refracting | — | 1988-08-09 |
| 4761875 | Method of manufacturing pad for magnetic recording tape cassette | — | 1988-08-09 |
| 4761701 | Biasing member for biasing a tape in a magnetic tape cassette | — | 1988-08-02 |
| 4760482 | Outwardly tensioned magnetic disc cartridge | — | 1988-07-26 |
| 4754358 | Magnetic tape cassette hub with flush tape clamp | — | 1988-06-28 |
| 4752059 | Injection mold | Osamu Suzuki | 1988-06-21 |
| 4750075 | Magnetic disk cartridge with liners and a welded lifter | — | 1988-06-07 |
| 4750074 | Magnetic tape cassette with tape locking means | — | 1988-06-07 |
| 4743993 | Plate spring assembly for a magnetic recording disk cartridge | Shozo Ommori | 1988-05-10 |
| 4743992 | Magnetic tape cassette | Choji Komiyama | 1988-05-10 |
| 4742415 | Magnetic tape cassette having a guided reel brake pawl | — | 1988-05-03 |
| 4742420 | Magnetic disk with a porous substrate | — | 1988-05-03 |
| 4742416 | Magnetic tape cassette with U-shaped slide guard | Choji Komiyama | 1988-05-03 |
| 4742417 | Magnetic tape cassette with snap coupled U-shaped slide guard | Choji Komiyama | 1988-05-03 |
| 4742421 | Magnetic recording disc having tensioned and elastically-supported recording surface | Kunihira Seto | 1988-05-03 |
| 4739433 | Method of cleaning magnetic recording disk of magnetic recording disk cartridge | — | 1988-04-19 |
| 4733316 | Magnetic tape cassette with slide guard ramp actuated cantilever locking lever | Shingo Katagiri | 1988-03-22 |
| 4719529 | Magnetic tape cassette incorporating prevention of unwanted rotation during transportation | Choji Komiyama | 1988-01-12 |
| 4706148 | Magnetic tape cassette | Choji Komiyama | 1987-11-10 |
| 4704649 | Magnetic disk cartridge | — | 1987-11-03 |