Issued Patents 2002
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6491765 | Rare earth magnet and method for manufacturing the same | Naoyuki Ishigaki, Shuhei Okumura | 2002-12-10 |
| 6474576 | Milling apparatus and milling method | Akiyasu Oota, Akihito Tsujimoto | 2002-11-05 |
| 6473024 | Electromagnetic wave absorber | Junichi Toyoda, Sakan Iwashita | 2002-10-29 |
| 6464386 | Method and apparatus for mixing powder with liquid | Akiyasu Oota, Akihito Tsujimoto | 2002-10-15 |
| 6464931 | Case for use in sintering process to produce rare-earth magnet, and method for producing rare-earth magnet | Akiyasu Oota, Tsuyoshi Wada | 2002-10-15 |
| 6403024 | Hydrogen pulverizer for rare-earth alloy magnetic material powder using the pulverizer, and method for producing magnet using the pulverizer | Akiyasu Oota, Akihito Tsujimoto | 2002-06-11 |