Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4734330 | Magnetic recording medium | Yoshinobu Ninomiya, Hiroshi Yoshioka, Ichiro Ono | 1988-03-29 |
| 4734480 | Radiation curable resin | Nobukazu Kotera, Yasuo Yoshinaka, Shinpei Yamamoto, Hideyuki Ohashi, Yoshinobu Ninomiya | 1988-03-29 |
| 4637959 | Magnetic recording medium | Yoshinobu Ninomiya, Masashi Somezawa | 1987-01-20 |
| 4634633 | Magnetic recording medium | Yoshinobu Ninomiya, Masashi Somezawa | 1987-01-06 |