Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9878426 | Manufacturing method for grinding wheel | Takashi Kojima, Motohiro Mizuno, Takumi Masuda | 2018-01-30 |
| 9539702 | Abrasive grinding wheel | Yasuji Kunihiro, Masayuki Shimizu, Tsutomu Kato | 2017-01-10 |
| 8033278 | Segmented grinding wheel and manufacturing method therefor | Masato Kitajima, Kunihiko Unno, Hiroshi Takehara, Shinji Soma | 2011-10-11 |