Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8142263 | Method of manufacturing revolving whetstone and revolving whetstone manufactured by the same | Takayuki Matsubara, Yoshikazu Yanagiura | 2012-03-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8142263 | Method of manufacturing revolving whetstone and revolving whetstone manufactured by the same | Takayuki Matsubara, Yoshikazu Yanagiura | 2012-03-27 |