Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10179955 | Production method for rare earth permanent magnet | Yoshifumi Nagasaki | 2019-01-15 |
| 10181377 | Production method for rare earth permanent magnet | Yoshifumi Nagasaki | 2019-01-15 |
| 10138564 | Production method for rare earth permanent magnet | Yoshifumi Nagasaki | 2018-11-27 |
| 7520941 | Functionally graded rare earth permanent magnet | Hajime Nakamura, Koichi Hirota, Takehisa Minowa | 2009-04-21 |
| 7488394 | Rare earth permanent magnet | Hajime Nakamura, Koichi Hirota, Takehisa Minowa | 2009-02-10 |
| 7488395 | Functionally graded rare earth permanent magnet | Hajime Nakamura, Koichi Hirota, Takehisa Minowa | 2009-02-10 |
| 7488393 | Rare earth permanent magnet | Hajime Nakamura, Koichi Hirota, Takehisa Minowa | 2009-02-10 |
| 6942741 | Iron alloy strip for voice coil motor magnetic circuits | Masaaki Nishino, Takehisa Minowa | 2005-09-13 |
| 6746545 | Preparation of rare earth permanent magnets | Kazuo Tamura, Ryuji Hamada, Takehisa Minowa | 2004-06-08 |
| 6623541 | Sintered rare earth magnet and making method | Kazuaki Sakaki, Hajime Nakamura, Takehisa Minowa | 2003-09-23 |
| 6547889 | Iron-based alloy sheet for magnetic yokes in hard-disk voice-coil motor | Takehisa Minowa, Masaaki Nishino | 2003-04-15 |
| 4992234 | Method for the preparation of rare earth-base permanent magnet | Ken Ohashi | 1991-02-12 |