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 | Shigeru Matsushita | 2017-01-31 |
TY
Tadayuki Yamada
Overall (2017): #222,565 of 506,227Top 45%
1
Patents 2017