Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D823909 | Drill head | Yoshiji Sato, Ryusei Hamada | 2018-07-24 |
| D814536 | Drill | — | 2018-04-03 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D823909 | Drill head | Yoshiji Sato, Ryusei Hamada | 2018-07-24 |
| D814536 | Drill | — | 2018-04-03 |