Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5251831 | Roller mill | Hirohisa Yoshida, Tsugio Yamamoto, Masaaki Kinoshita, Takeshi Kunimoto | 1993-10-12 |
| 5230474 | Mill inert apparatus for coal pulverizer and method for prevention of explosion | Yoshiki Yamaguchi, Masaaki Kinoshita, Shozo Kaneko | 1993-07-27 |