Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5303876 | Magnetic tape cassette | Hiroki Suzuki, Haruo Shiba | 1994-04-19 |
| 5153799 | Magnetic tape cassette having bridged guide ribs | Kimio Tanaka, Shinichi Sato | 1992-10-06 |
| 4935833 | Guide members for magnetic tape cassette | Haruo Shiba, Kimio Tanaka | 1990-06-19 |
| 4892266 | Magnetic tape cassette | Kimio Tanaka, Haruo Shiba | 1990-01-09 |
| 4839055 | Method for treating blood and apparatus therefor | Makoto Ishizaki, Soichi Tanaka, Keiki Kariu | 1989-06-13 |
| 4775911 | Magnetic tape cassette | Morimasa Sasaki | 1988-10-04 |
| 4733317 | Magnetic tape cassette having a tape passage including ribs | Haruo Shiba | 1988-03-22 |
| 4688128 | Magnetic tape cassette having two layered portions | Haruo Shiba, Kimio Tanaka, Yoshiya Sakata | 1987-08-18 |
| 4593868 | Reel spring of magnetic tape cassette | Haruo Shiba | 1986-06-10 |
| 4593335 | Pressure pad device for a magnetic tape cassette | Haruo Shiba | 1986-06-03 |
| 4466036 | Magnetic tape cassette | Toshihiko Ishida, Haruo Shiba | 1984-08-14 |
| 4456192 | Magnetic tape clamping device | Haruo Shiba | 1984-06-26 |
| 4378066 | Case for holding magnetic tape cassette | Haruo Shiba | 1983-03-29 |
| 4191345 | Tape cassette | Shigemasa Shoji | 1980-03-04 |