Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4708909 | Radiation-curable, magnetic coating material and magnetic recording medium using the same | Akira Ohtsuki, Nobumori Kanno, Makio Sugai, Takashi Mihoya, Yuichi Kubota +4 more | 1987-11-24 |
| 4526837 | Magnetic recording medium | Akira Ohtsuki, Makio Sugai, Masaharu Nishimatsu, Yuichi Kubota, Kazushi Tanaka +1 more | 1985-07-02 |
| 4511629 | Magnetic recording medium | Makio Sugai, Yuichi Kubota, Masaharu Nishimatsu, Yukihiro Isobe, Kazushi Tanaka +1 more | 1985-04-16 |