Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5089066 | Magnets having improved corrosion resistance | Takaki Hamada, Tetsuji Hayakawa | 1992-02-18 |
| 4975129 | Permanent magnet | Setsuo Fujimura, Masato Sagawa, Hitoshi Yamamoto, Norio Togawa | 1990-12-04 |
| 4975130 | Permanent magnet materials | Masato Sagawa, Setsuo Fujimura | 1990-12-04 |
| 4859255 | Permanent magnets | Setsuo Fujimura, Masato Sagawa, Hitoshi Yamamoto, Norio Togawa | 1989-08-22 |
| 4840684 | Isotropic permanent magnets and process for producing same | Setsuo Fujimura, Masato Sagawa | 1989-06-20 |
| 4837114 | Process for producing magnets having improved corrosion resistance | Takaki Hamada, Tetsuji Hayakawa | 1989-06-06 |
| 4826546 | Process for producing permanent magnets and products thereof | Hitoshi Yamamoto, Masato Sagawa, Setsuo Fujimura | 1989-05-02 |
| 4792368 | Magnetic materials and permanent magnets | Masato Sagawa, Setsuo Fujimura | 1988-12-20 |
| 4773950 | Permanent magnet | Setsuo Fujimura, Masato Sagawa, Hitoshi Yamamoto, Norio Togawa | 1988-09-27 |
| 4770723 | Magnetic materials and permanent magnets | Masato Sagawa, Setsuo Fujimura | 1988-09-13 |
| 4767474 | Isotropic magnets and process for producing same | Setsuo Fujimura, Masato Sagawa | 1988-08-30 |
| 4684406 | Permanent magnet materials | Masato Sagawa, Setsuo Fujimura | 1987-08-04 |
| 4601875 | Process for producing magnetic materials | Hitoshi Yamamoto, Masato Sagawa, Setsuo Fujimura | 1986-07-22 |
| 4597938 | Process for producing permanent magnet materials | Masato Sagawa, Setsuo Fujimura | 1986-07-01 |
| 4484957 | Permanent magnetic alloy | Akira Higuchi, Naoyuki Ishigaki, Hitoshi Yamamoto | 1984-11-27 |