Issued Patents All Time
Showing 51–62 of 62 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4628389 | Lock member for the lid of a magnetic tape cassette | Haruo Shiba, Yoshiya Sakata | 1986-12-09 |
| 4626948 | Magnetic tape cartridge pivot pin and supporting member | Haruo Shiba, Yoshiya Sakata | 1986-12-02 |
| 4515322 | Reel for a magnetic tape | Haruo Shiba, Yoshiya Sakata | 1985-05-07 |
| 4386746 | Magnetic tape cassette | Masatoshi Okamura, Haruo Shiba | 1983-06-07 |
| 4371131 | Magnetic tape cassette | Masatohsi Okamura | 1983-02-01 |
| 4358070 | Magnetic tape cassette | Masatoshi Okamura | 1982-11-09 |
| 4349166 | Magnetic tape cassette | Toshihiko Ishida | 1982-09-14 |
| 4347933 | Case for holding magnetic tape cassette | Toshihiko Ishida | 1982-09-07 |
| 4333620 | Tape cassette | Toshihiko Ishida | 1982-06-08 |
| 4261560 | Sheet separation apparatus | Nobuyuki Yanagawa, Mitsuo Tanaka | 1981-04-14 |
| 4254923 | Magnetic tape cassette | Toshihiko Ishida, Yukio Nakazawa, Haruo Shiba | 1981-03-10 |
| 4227622 | Tape cassette | Masatoshi Okamura, Haruo Shiba | 1980-10-14 |