Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4989375 | Grinding wheel having high impact resistance, for grinding rolls as installed in place | Akira Tanabe, Kouichi Saburi, Kanji Hayashi, Takayuki Goto, Hisao Matsushima | 1991-02-05 |