Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6425278 | Roll changing apparatus of rolling mill | Hiroshi Aratani, Mikio Yamamoto, Yoshiki Mito | 2002-07-30 |
| 4989375 | Grinding wheel having high impact resistance, for grinding rolls as installed in place | Yoshinori Henmi, Akira Tanabe, Kouichi Saburi, Kanji Hayashi, Takayuki Goto | 1991-02-05 |