Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7402226 | Minute high-performance rare earth magnet for micromini product and process for producing the same | Kenichi Machida, Shunji Suzuki, Eiji Sakaguchi | 2008-07-22 |
| 6537385 | Rare earth magnet and method for manufacturing the same | Katsumi Okayama, Shuhei Okumura | 2003-03-25 |
| 6491765 | Rare earth magnet and method for manufacturing the same | Katsumi Okayama, Shuhei Okumura | 2002-12-10 |
| 6331214 | Monolithically bonded construct of rare-earth magnet and metal material and method for bonding same | Masaki Koga, Nobutaka Suzuki, Hitoshi Saitoh, Kenshiro Oyamada, Koki Tokuhara +2 more | 2001-12-18 |
| 6221270 | Process for producing compound for rare earth metal resin-bonded magnet | Katsuyoshi Saito, Yasunari Kaneko, Shin Mishima, Shinji Otsuki, Yoshihiko Nishino | 2001-04-24 |
| 5788782 | R-FE-B permanent magnet materials and process of producing the same | Yuji Kaneko, Koki Tokuhara | 1998-08-04 |
| 5666635 | Fabrication methods for R-Fe-B permanent magnets | Yuji Kaneko | 1997-09-09 |
| 5527504 | Powder mixture for use in compaction to produce rare earth iron sintered permanent magnets | Yoshihisa Kishimoto, Nobushige Hiraishi, Wataru Takahashi, Masakazu Ohkita, Yutaka Matsuura | 1996-06-18 |
| 5486224 | Powder mixture for use in compaction to produce rare earth iron sintered permanent magnets | Yoshihisa Kishimoto, Nobushige Hiraishi, Wataru Takahashi, Masakazu Ohkita, Yutaka Matsuura | 1996-01-23 |
| 4898613 | Rare earth alloy powder used in production of permanent magnets | Takaki Hamada, Setsuo Fujimura | 1990-02-06 |
| 4770702 | Process for producing the rare earth alloy powders | Takaki Hamada, Setsuo Fujimura | 1988-09-13 |
| 4769063 | Method for producing rare earth alloy | Takaki Hamada, Setsuo Fujimura | 1988-09-06 |
| 4767450 | Process for producing the rare earth alloy powders | Takaki Hamada, Setsuo Fujimura | 1988-08-30 |
| 4484957 | Permanent magnetic alloy | Akira Higuchi, Yutaka Matsuura, Hitoshi Yamamoto | 1984-11-27 |