Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8668090 | Powder classifying device | Kazumi Kozawa, Masaru Kyugo | 2014-03-11 |
| 8100269 | Powder classifying device | Kazumi Kozawa, Masaru Kyugo | 2012-01-24 |
| 7258290 | Jet mill | Kazumi Kozawa, Satoshi Akiyama | 2007-08-21 |