Issued Patents 2017
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9620268 | R-T-B based alloy strip, and R-T-B based sintered magnet and method for producing same | Taeko Tsubokura, Tamotsu Ishiyama, Nobuhiro Jingu, Chikara Ishizaka | 2017-04-11 |
| 9613737 | R-T-B based sintered magnet and production method for same, and rotary machine | Chikara Ishizaka, 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, Nobuhiro Jingu, Chikara Ishizaka | 2017-03-28 |
| 9548149 | Rare earth based magnet | Yoshinori Fujikawa, Taeko Tsubokura, Chikara Ishizaka, Katsuo Sato | 2017-01-17 |