Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4691869 | Apparatus for controlling the operation of a grinding system | Youji Kawamura, Hiroshi Obana, Takemi Aizawa, Motomi Tamai, Tsuguya Inagaki +1 more | 1987-09-08 |
| 4597537 | Vertical mill | Takaaki Misaka, Takeshi Furukawa, Hiroshi Obana, Kyosuke Fukuyama, Toshiyuki Tanaka +2 more | 1986-07-01 |
| 4296864 | Air classifier | Takaaki Misaka, Takeshi Furukawa | 1981-10-27 |