Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6193176 | Cement clinker grinding method using vertical roller mill and apparatus | Seisuke Sawamura, Hiroshi Ueda, Fuminori Ando, Kanzaburo Sutoh, Mitsuaki Murata +1 more | 2001-02-27 |
| 6019299 | Cement clinker grinding apparatus using vertical roller mill and its method | Seisuke Sawamura, Hiroshi Ueda, Fuminori Ando, Kanzaburo Sutoh, Mitsuaki Murata +1 more | 2000-02-01 |
| 5975309 | Fluidized-bed classifier | Seisuke Sawamura, Ryuichi Okamura, Hiroshi Ueda, Fuminori Ando, Kanzaburo Sutoh +2 more | 1999-11-02 |