Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5201652 | Method of cooling clinker and clinker cooling apparatus | Chiaki Sasaki, Hiuma Kaneko, Takeshi Omi | 1993-04-13 |
| 5180257 | Straightening instrument and cyclone | Ryousuke Narishima, Tetsuo Ogiri, Hiroaki Iwakawa | 1993-01-19 |
| 4691869 | Apparatus for controlling the operation of a grinding system | Eiichi Onuma, Hiroshi Obana, Takemi Aizawa, Motomi Tamai, Tsuguya Inagaki +1 more | 1987-09-08 |