Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5352657 | Bismuth system oxide superconductors and preparation thereof | Utako Endo, Satoshi Koyama, Tomoji Kawai, Koichi Kitazawa | 1994-10-04 |
| 5346758 | Magnetic coating composition and magnetic recording medium | Yoshiyuki Shibuya, Shigeo Daimon | 1994-09-13 |