Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11154907 | Powder classifying apparatus | Kenji JIKIHARA, Tatsuya ONISHI, Toru Yoshikawa, Kazumi Kozawa | 2021-10-26 |
| 10413873 | Mixing apparatus for mixing powder having liquid repellent property and liquid | Akihiko Ema, Kosuke Ando | 2019-09-17 |
| 9884328 | Cyclone device and classification method | Kazumi Kozawa | 2018-02-06 |