Issued Patents All Time
Showing 101–125 of 133 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4593868 | Reel spring of magnetic tape cassette | Takateru Sato | 1986-06-10 |
| 4593335 | Pressure pad device for a magnetic tape cassette | Takateru Sato | 1986-06-03 |
| 4585187 | Magnetic tape cassette | Masatoshi Okamura, Kenji Hashizume, Yoshiya Sakata | 1986-04-29 |
| 4558387 | Magnetic tape cassette | Michio Iizuka | 1985-12-10 |
| 4545483 | Casing for a magnetic tape cassette | Shigetomo Takeda | 1985-10-08 |
| 4515322 | Reel for a magnetic tape | Yoshiya Sakata, Kimio Tanaka | 1985-05-07 |
| 4504027 | Magnetic tape clamping device | Masatoshi Okamura | 1985-03-12 |
| 4491891 | Tape guide for a magnetic tape cartridge and method of manufacturing the same | — | 1985-01-01 |
| 4466582 | Tape guide for magnetic tape cartridge | — | 1984-08-21 |
| 4466036 | Magnetic tape cassette | Toshihiko Ishida, Takateru Sato | 1984-08-14 |
| 4457474 | Magnetic tape cartridge | Masatoshi Okamura | 1984-07-03 |
| 4456192 | Magnetic tape clamping device | Takateru Sato | 1984-06-26 |
| 4438860 | Magnetic tape cassette | Masatoshi Okamura | 1984-03-27 |
| 4422550 | Structure of pivotal-shaft receiving hole of thin-walled molding product | Masatoshi Okamura | 1983-12-27 |
| 4422599 | Magnetic tape cassette | Masatoshi Okamura | 1983-12-27 |
| 4422119 | Leader tape | Yoshio Kawakami, Masatoshi Okamura, Hideki Hotsuki | 1983-12-20 |
| 4420128 | Magnetic tape cassette | Masatoshi Okamura | 1983-12-13 |
| 4387823 | Magnetic tape cassette | — | 1983-06-14 |
| 4386746 | Magnetic tape cassette | Masatoshi Okamura, Kimio Tanaka | 1983-06-07 |
| 4385734 | Ring with rib for winding magnetic tape | — | 1983-05-31 |
| 4382565 | Magnetic tape cassette | — | 1983-05-10 |
| 4380030 | Magnetic tape cassette | — | 1983-04-12 |
| 4378066 | Case for holding magnetic tape cassette | Takateru Sato | 1983-03-29 |
| 4371286 | Tapping boss of magnetic tape cassette | Masatoshi Okamura | 1983-02-01 |
| 4304374 | Tape cassette | Masatoshi Okamura, Shigemasa Shoji | 1981-12-08 |