Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5514463 | Magnetic recording medium | Kiminori Tamai, Kiyotaka Okuyama | 1996-05-07 |
| 5510140 | Method for preparing magnetic recording medium | Yoshihiro Honjo, Akira Somiya | 1996-04-23 |
| 5225281 | Magnetic recording medium comprising a magnetic coating containing magnetic powder obtained from a process of coating iron oxide powder with silicon, zirconium and aluminum compounds and reducing | Kiminori Tamai, Kiyotaka Okuyama | 1993-07-06 |
| 4900622 | Magnetic recording medium | Masatoshi Nakayama, Koji Kobayashi, Kunihiro Ueda, Mitsuru Takai | 1990-02-13 |
| 4770924 | Magnetic recording medium | Mitsuru Takai, Koji Kobayashi, Masatoshi Nakayama, Kunihiro Ueda | 1988-09-13 |