Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5217850 | Optical recording disk and manufacturing method thereof | Seiro Fujii, Satoshi Jinno, Takamasa Yoshikawa, Takahiro Kobayashi, Masataka Yamaguchi +4 more | 1993-06-08 |
| 5087340 | Method of making magneto-optical recording disk | Nobuaki Onagi, Shinichiro Suzuki, Seiro Fujii, Takahiro Kobayashi, Takamasa Yoshikawa +1 more | 1992-02-11 |