Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5282106 | Magnetic disk cartridge | Tadashi Saito, Takao Kanai, Mikio Okano | 1994-01-25 |
| 5146381 | Magnetic disk jacket | Hiroshi Ikeda, Tsuyoshi Otani, Mashahiko Niinomi | 1992-09-08 |
| 4811152 | Protective structure for jacket for rotatable magnetic recording media | Megumu Hirakura, Tetsuya Imamura | 1989-03-07 |
| 4774140 | Glass-like carbon material, method for manufacturing the same, and slider part for use with a recording medium | Masanobu Wakasa, Michihide Yamauchi, Tetsuya Imamura | 1988-09-27 |
| 4716078 | Substrate for a magnetic disc and method manufacturing same | Tetsuya Imamura, Michihide Yamauchi | 1987-12-29 |
| 4661402 | Magnetic recording medium | Tetsuya Imamura, Michihide Yamauchi, Takashi Takeuchi | 1987-04-28 |
| 4644431 | Magnetic head for a perpendicular magnetic recording system | Tetsuya Imamura, Hideyuki Minami, Michihide Yamauchi | 1987-02-17 |
| 4642720 | Magnetic head comprised of an improved base substance for high density magnetic recording | Tetsuya Imamura, Michihide Yamauchi, Tsuyoshi Ootani | 1987-02-10 |