Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5690752 | Permanent magnet containing rare earth metal, boron and iron | Kazuhiko Yamamoto, Yuichi Miyake | 1997-11-25 |
| 5680896 | Method for production of rare earth metal-nickel hydrogen occlusive alloy ingot | Kazuhiko Yamamoto, Yuichi Miyake, Nobuyuki Kitazume | 1997-10-28 |
| 5674327 | Alloy ingot for permanent magnet, anisotropic powders for permanent magnet, method for producing same and permanent magnet | Kazuhiko Yamamoto, Yuichi Miyake | 1997-10-07 |
| 5656100 | Alloy ingot for permanent magnet, anisotropic powders for permanent magnet, method for producing same and permanent magnet | Kazuhiko Yamamoto, Yuichi Miyake | 1997-08-12 |
| 5630885 | Alloy ingot for permanent magnet, anisotropic powders for permanent magnet, method for producing same and permanent magnet | Kazuhiko Yamamoto, Yuichi Miyake | 1997-05-20 |