Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5646917 | Carrier system for carrying mediums | Sokichi Miyoshi, Akira Yamaguchi, Masaya Ogawa | 1997-07-08 |
| 4554651 | Magneto-optical recording medium and method for preventing the erasing of the information recorded on the magneto-optical recording medium | Hideki Hatano, Norikiyo Tajiri, Sakashi Otaki, Sigeru Kato | 1985-11-19 |