Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6474576 | Milling apparatus and milling method | Akiyasu Oota, Katsumi Okayama | 2002-11-05 |
| 6464386 | Method and apparatus for mixing powder with liquid | Akiyasu Oota, Katsumi Okayama | 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, Katsumi Okayama | 2002-06-11 |