Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9555506 | Drill blank, method for manufacturing drill blank, drill, and method for manufacturing drill | Tadayuki Yamada | 2017-01-31 |
SM
Shigeru Matsushita
Overall (2017): #243,866 of 506,227Top 50%
1
Patents 2017