Issued Patents All Time
Showing 101–125 of 154 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4701822 | Magnetic tape cassette with guard panel | Osamu Suzuki | 1987-10-20 |
| 4700254 | Magnetic tape cassette | Masayoshi Moriwaki | 1987-10-13 |
| 4699268 | Magnetic recording disk cartridge | — | 1987-10-13 |
| 4698715 | Magnetic recording disk having center core secured by a base-less double-sided adhesive tape | — | 1987-10-06 |
| 4694370 | Magnetic disk cartridge | Shozo Ommori | 1987-09-15 |
| 4689705 | Counter device for a magnetic recording disk cartridge | Tuyoshi Ono | 1987-08-25 |
| 4689702 | Magnetic tape cassette | Osamu Suzuki | 1987-08-25 |
| 4688127 | Magnetic recording disk cartridge with locking member | Tuyoshi Ono | 1987-08-18 |
| 4682260 | Magnetic disk cartridge | Osamu Suzuki | 1987-07-21 |
| 4680661 | Magnetic disk cartridge | — | 1987-07-14 |
| 4676453 | Magnetic tape cassette | Choji Komiyama | 1987-06-30 |
| 4672499 | Magnetic disk cartridge including a disk cleaner | Tuyoshi Ono, Wataru Ueno | 1987-06-09 |
| 4669018 | Magnetic tape cassette | Osamu Suzuki | 1987-05-26 |
| 4648507 | Magnetic tape cassette storage case | Choji Komiyama | 1987-03-10 |
| 4644434 | Shutter member for a magnetic disk cartridge | Tuyoshi Ono | 1987-02-17 |
| 4638393 | Magnetic tape cassette having an improved braking mechanism | Osamu Suzuki | 1987-01-20 |
| 4635877 | Magnetic tape cassette | Masayoshi Moriwaki | 1987-01-13 |
| 4633354 | Magnetic tape cassette | Osamu Suzuki | 1986-12-30 |
| 4631620 | Magnetic disk cartridge | Shingo Katagiri | 1986-12-23 |
| 4622618 | Magnetic recording disk cartridge | Tuyoshi Ono | 1986-11-11 |
| 4618903 | Magnetic tape cassette | Masaaki Suzuki | 1986-10-21 |
| 4614270 | Magnetic tape cassette | — | 1986-09-30 |
| 4612593 | Tape pad for use in magnetic recording tape cassette | — | 1986-09-16 |
| 4608617 | Magnetic recording disk cartridge | Tuyoshi Ono | 1986-08-26 |
| 4607308 | Magnetic tape cassette with dual guard panel structure | Masao Tsuruta, Osamu Suzuki | 1986-08-19 |