Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4992234 | Method for the preparation of rare earth-base permanent magnet | Masanobu Shimao | 1991-02-12 |
| 4990306 | Method of producing polar anisotropic rare earth magnet | — | 1991-02-05 |
| 4971637 | Rare earth permanent magnet | Yoshio Tawara, Ryo Osugi | 1990-11-20 |
| 4678634 | Method for the preparation of an anisotropic sintered permanent magnet | Yoshio Tawara | 1987-07-07 |
| 4567576 | Method for producing a magnetic bias field | Yoshio Tawara, Hideaki Kikuchi | 1986-01-28 |
| 4497672 | Method for the preparation of a rare earth-cobalt based permanent magnet | Yoshio Tawara | 1985-02-05 |
| 4375996 | Rare earth metal-containing alloys for permanent magnets | Yoshio Tawara, Tetsuichi Chino | 1983-03-08 |