Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9548148 | R-T-B based sintered magnet | Takuma Hayakawa, Tetsuya Chiba, Kenichi Nishikawa, Yoshinori Fujikawa | 2017-01-17 |
| 9548157 | Sintered magnet, motor, automobile, and method for producing sintered magnet | Makoto Iwasaki, Fumitaka Baba, Satoshi Tanaka, Yoshinori Fujikawa | 2017-01-17 |
| 8961712 | Rare earth based sintered magnet | Takuma Hayakawa, Tetsuya Chiba, Kenichi Nishikawa | 2015-02-24 |