Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4983046 | Mixer | Hiroshi Murata | 1991-01-08 |
| 4824030 | Jet air flow crusher | Osamu Kano, Yukiyoshi Yamada, Shigemi Fujisawa | 1989-04-25 |
| 4604192 | Powder classifier | Yukiyoshi Yamada, Shin Doi | 1986-08-05 |
| 4596497 | Powder disperser | Yukiyoshi Yamada, Shin Doi | 1986-06-24 |
| 4560471 | Powder classifier | Yukiyoshi Yamada | 1985-12-24 |