Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9919406 | Abrasive material product, its production method and use method | Michihiro Ohishi, Yoko Togashi | 2018-03-20 |
YN
Yasuhiko Nagano
Overall (2018): #187,547 of 503,207Top 40%
1
Patents 2018