Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12412687 | Rare-earth-based magnet powder, bonded magnet, bonded magnet compound, sintered magnet, method of manufacturing rare-earth-based magnet powder, and method of manufacturing rare-earth based permanent magnet | Ikuya KOKAWA, Yoshinori Fujikawa, Kenichi Suzuki | 2025-09-09 |
| 11798739 | Samarium-iron-nitrogen based magnet powder and method of manufacturing same, and samarium-iron-nitrogen based magnet and method of manufacturing same | Ryuji Hashimoto, Shusuke Okada, Kenta Takagi | 2023-10-24 |
| 11453057 | Samarium-iron-nitrogen alloy powder and method for producing same | Shusuke Okada, Kazuyuki Suzuki, Kenta Takagi, Kimihiro Ozaki | 2022-09-27 |
| 11361888 | Samarium-iron-nitrogen magnet powder and method for manufacturing same | Shusuke Okada, Kenta Takagi, Yoshinori Fujikawa, Ryuji Hashimoto | 2022-06-14 |
| 10256017 | Rare earth based permanent magnet | Akihiro Ohsawa | 2019-04-09 |
| 10242780 | Rare earth based permanent magnet | Akihiro Ohsawa | 2019-03-26 |
| 10192661 | R—T—B based sintered magnet | Akihiro Ohsawa | 2019-01-29 |
| 10157701 | R-T-B based permanent magnet | Kenichi Suzuki | 2018-12-18 |
| 10068690 | R-T-B based permanent magnet | Kenichi Suzuki | 2018-09-04 |
| 10020102 | R-T-B based permanent magnet and rotating machine | Ryuji Hashimoto, Kenichi Nishikawa | 2018-07-10 |
| 9970087 | R-T-B based permanent magnet and raw alloy for the same | Ryuji Hashimoto, Hironori Wada | 2018-05-15 |
| 9850559 | Permanent magnet and variable magnetic flux motor | Daisuke Tanaka | 2017-12-26 |
| 9774220 | Permanent magnet and motor | Daisuke Tanaka | 2017-09-26 |
| 9767945 | Magnet powder, bond magnet and motor | Daisuke Tanaka | 2017-09-19 |
| 9627113 | R-T-B based sintered magnet | Daisuke Tanaka | 2017-04-18 |
| 9607743 | R-T-B based sintered magnet | Kyung-Ku Choi, Kenichi Suzuki, Daisuke Tanaka | 2017-03-28 |
| 9520216 | R-T-B based sintered magnet | Kyung-Ku Choi, Ryuji Hashimoto, Daisuke Tanaka | 2016-12-13 |
| 8157927 | Raw material alloy for R-T-B system sintered magnet, R-T-B system sintered magnet and production method thereof | Chikara Ishizaka, Gouichi Nishizawa | 2012-04-17 |
| 7858023 | Method for producing raw material powder for rare earth sintered magnet, method for producing rare earth sintered magnet, granule and sintered body | Fumitaka Baba, Chikara Ishizaka, Takeshi Masuda | 2010-12-28 |
| 7740716 | Rare earth sintered magnet | Gouichi Nishizawa, Chikara Ishizaka | 2010-06-22 |
| 7477819 | Two-dimensional photonic crystal | Isao Nakahata | 2009-01-13 |
| 7136561 | Two-dimensional photonic crystal, and waveguide and resonator using the same | — | 2006-11-14 |
| 7108733 | Metal slurry for electrode formation and production method of the same | — | 2006-09-19 |
| 6033594 | Ferrite and inductor | Ryo Yokoyama, Hitoshi Saita, Naoyoshi Sato | 2000-03-07 |
| 5870273 | Multi-functional multilayer device and method for making | Tomohiro Sogabe | 1999-02-09 |