Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5648161 | Magneto-optical recording medium having large kerr rotational angle in short wavelength range | Hiromu Miyazawa, Shoji Hoshina, Satoshi Shimokawato, Masaaki Ichikawa, Masaya Ishida +3 more | 1997-07-15 |
| 5597425 | Rare earth cast alloy permanent magnets and methods of preparation | Koji Akioka, Osamu Kobayashi, Toshiyuki Ishibashi, Ryuichi Ozaki | 1997-01-28 |