Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4761338 | Magnetic recording medium | Masao Asano, Toshio Tsuji, Yoshitaka Yasufuku | 1988-08-02 |
| 4731292 | Magnetic recording medium | Kunitsuna Sasaki, Yoshitaka Yasufuku, Toshiaki Shibue | 1988-03-15 |
| 4546044 | Magnetic recording medium | Masao Asano, Tetsuro Sunaga, Hideki Murata | 1985-10-08 |
| 4537824 | Magnetic recording medium | Masao Asano, Wataru Fujimatsu, Hideki Murata, Toshihiko Sato, Kenji Watanabe | 1985-08-27 |
| 4186771 | Hydraulic control apparatus | — | 1980-02-05 |