Issued Patents All Time
Showing 25 most recent of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10546672 | Rare earth based magnet | Eiji Kato, Yoshinori Fujikawa, Taeko Tsubokura, Katsuo Sato | 2020-01-28 |
| 10530198 | R-T-B based sintered magnet and motor | Naoto TSUKAMOTO, Hiroshi Miyasaka, Makoto Iwasaki, Takahiro Kawashima | 2020-01-07 |
| 10523101 | Motor | Makoto Iwasaki, Fumitaka Baba | 2019-12-31 |
| 10256016 | Rare earth based magnet | Yoshinori Fujikawa, Yuki Nagamine, Wakako Okawa, Eiji Kato, Katsuo Sato | 2019-04-09 |
| 10242777 | Alloy for R-T-B based sintered magnet and R-T-B based sintered magnet | Makoto Iwasaki, Tetsuya Hidaka, Takuma Hayakawa, Ayato Kakoki, Yoshinori Fujikawa +3 more | 2019-03-26 |
| 10109402 | Rare earth based magnet | Eiji Kato, Yoshinori Fujikawa, Taeko Tsubokura, Katsuo Sato | 2018-10-23 |
| 10096410 | R-T-B based sintered magnet | Masashi Miwa, Haruna Nakajima, Koji Mitake | 2018-10-09 |
| 10096412 | Rare earth based magnet | Eiji Kato, Yoshinori Fujikawa, Taeko Tsubokura, Katsuo Sato | 2018-10-09 |
| 10090087 | Rare earth based magnet | Yoshinori Fujikawa, Yuki Nagamine, Wakako Okawa, Eiji Kato, Katsuo Sato | 2018-10-02 |
| 10083783 | Rare earth based magnet | Yoshinori Fujikawa, Yuki Nagamine, Wakako Okawa, Eiji Kato, Katsuo Sato | 2018-09-25 |
| 10020099 | Rare earth based magnet | Eiji Kato, Yoshinori Fujikawa, Taeko Tsubokura, Katsuo Sato | 2018-07-10 |
| 9997284 | Sintered magnet | Masashi Miwa, Atsushi Fujiwara, Eiji Kato, Taeko Tsubokura, Koji Mitake | 2018-06-12 |
| 9773599 | R-T-B based sintered magnet | Masashi Miwa, Haruna Nakajima, Ken NISHIKAWA, Tetsuya Hidaka, Jun Hagiwara | 2017-09-26 |
| 9620268 | R-T-B based alloy strip, and R-T-B based sintered magnet and method for producing same | Taeko Tsubokura, Eiji Kato, Tamotsu Ishiyama, Nobuhiro Jingu | 2017-04-11 |
| 9613737 | R-T-B based sintered magnet and production method for same, and rotary machine | Eiji Kato, Taeko Tsubokura, Tamotsu Ishiyama, Nobuhiro Jingu | 2017-04-04 |
| 9607742 | R-T-B based alloy strip, and R-T-B based sintered magnet and method for producing same | Tamotsu Ishiyama, Taeko Tsubokura, Eiji Kato, Nobuhiro Jingu | 2017-03-28 |
| 9548149 | Rare earth based magnet | Eiji Kato, Yoshinori Fujikawa, Taeko Tsubokura, Katsuo Sato | 2017-01-17 |
| 9514869 | R-T-B based sintered magnet | Masashi Miwa, Haruna Nakajima, Ken NISHIKAWA, Tetsuya Hidaka, Jun Hagiwara | 2016-12-06 |
| 9350203 | Rare earth sintered magnet, method for producing the same, motor, and automobile | Fumitaka Baba, Satoshi Tanaka, Makoto Iwasaki | 2016-05-24 |
| 8823478 | Rare earth sintered magnet, method for producing same, motor and automobile | Satoshi Tanaka, Fumitaka Baba, Makoto Iwasaki | 2014-09-02 |
| 8157927 | Raw material alloy for R-T-B system sintered magnet, R-T-B system sintered magnet and production method thereof | Yasushi Enokido, Gouichi Nishizawa | 2012-04-17 |
| 8123832 | R-T-B system sintered magnet | Eiji Kato | 2012-02-28 |
| 7955442 | Method for producing sintered magnet and alloy for sintered magnet | Tetsuya Hidaka | 2011-06-07 |
| 7858023 | Method for producing raw material powder for rare earth sintered magnet, method for producing rare earth sintered magnet, granule and sintered body | Yasushi Enokido, Fumitaka Baba, Takeshi Masuda | 2010-12-28 |
| 7740716 | Rare earth sintered magnet | Yasushi Enokido, Gouichi Nishizawa | 2010-06-22 |