Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5293373 | Optical disk and method of manufacturing the same | Yukari Toide, Yoshio Fujii | 1994-03-08 |
| 5283133 | Magneto-optical disk | Kazuhiko Tsutsumi, Hiroshi Sugahara | 1994-02-01 |
| 5258237 | Magneto-optic recording medium | Yoshiyuki Nakaki, Takashi Tokunaga, Tatsuya Fukami, Kazuhiko Tsutsumi | 1993-11-02 |
| 5216663 | Magneto-optic recording medium and manufacturing method | Kazuhiko Tsutsumi, Tatsuya Fukami, Yoshiyuki Nakaki, Takashi Tokunaga | 1993-06-01 |
| 5208797 | Magneto-optical recording media and apparatus | Yoshiyuki Nakaki, Takashi Tokunaga, Tatsuya Fukami, Kazuhiko Tsutsumi | 1993-05-04 |