Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5783296 | Magnetic recording medium | Shigeharu Watase, Osamu Inoue | 1998-07-21 |
| 5089344 | Magnetic recording medium | Hitoshi Azegami, Kazuhiro Kuroda | 1992-02-18 |
| 4794042 | Magnetic recording medium | Yuichi Kubota, Keiji Koga, Tsutomu Aoyama, Akio Watanabe | 1988-12-27 |
| 4772522 | Magnetic recording medium | Yuichi Kubota, Masaharu Nishimatsu, Keiji Koga, Toru Shimozawa | 1988-09-20 |
| 4746558 | Magnetic recording medium | Toru Shimozawa, Masaharu Nishimatsu | 1988-05-24 |
| 4741977 | Magnetic sheet | Keiji Koga, Keiko Tsuchiya, Tsutomu Aoyama, Yuichi Kubota | 1988-05-03 |
| 4560617 | Magnetic recording medium | Masaharu Nishimatsu, Yuichi Kubota, Shigeru Shimada | 1985-12-24 |