Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5678998 | Dental magnetic attachment | Lei Tian, Hideki Fujii, Kazuo Arai, Yoshinobu Tanaka | 1997-10-21 |
| 5645937 | Thin film layered member | Shoji Noda, Kiyoshi Uchida, Akio Itoh, Kazuo Higuchi, Mikio Niimi +1 more | 1997-07-08 |
| 5643491 | Rare earth magnetic powder, its fabrication method, and resin bonded magnet | Hironari Mitarai, Chisato Mishima, Yoshikazu Amahiro, Hiroshi Matsuoka, Yoshinobu Sugiura | 1997-07-01 |