Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10234374 | Method for selecting boundary sample, apparatus for selecting boundary sample, storage medium, and system for selecting boundary sample | Noboru Kobayashi, Chikara Morooka, Yuki Matsuoka, Hideharu Oniki | 2019-03-19 |
| 5417773 | Method for producing rare earth alloy magnet powder | Ryoji Nakayama, Takuo Takeshita, Yoshinari Ishii | 1995-05-23 |
| 5395462 | Anisotropic rare earth-Fe-B system and rare earth-Fe-Co-B system magnet | Takuo Takeshita, Ryoji Nakayama | 1995-03-07 |
| 5338371 | Rare earth permanent magnet powder, method for producing same and bonded magnet | Ryoji Nakayama, Takuo Takeshita | 1994-08-16 |
| 5250206 | Rare earth element-Fe-B or rare earth element-Fe-Co-B permanent magnet powder excellent in magnetic anisotropy and corrosion resistivity and bonded magnet manufactured therefrom | Ryoji Nakayama, Takuo Takeshita | 1993-10-05 |
| 5228930 | Rare earth permanent magnet power, method for producing same and bonded magnet | Ryoji Nakayama, Takuo Takeshita | 1993-07-20 |
| 5110374 | Rare earth-iron-boron magnet powder and process of producing same | Takuo Takeshita, Ryoji Nakayama | 1992-05-05 |
| 4981532 | Rare earth-iron-boron magnet powder and process of producing same | Takuo Takeshita, Ryoji Nakayama | 1991-01-01 |