Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6193176 | Cement clinker grinding method using vertical roller mill and apparatus | Yoshihiro Mitsuda, Seisuke Sawamura, Hiroshi Ueda, Fuminori Ando, Kanzaburo Sutoh +1 more | 2001-02-27 |
| 6019299 | Cement clinker grinding apparatus using vertical roller mill and its method | Yoshihiro Mitsuda, Seisuke Sawamura, Hiroshi Ueda, Fuminori Ando, Kanzaburo Sutoh +1 more | 2000-02-01 |