Issued Patents 2016
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9409239 | Drill bit | Hirofumi Higashiwaki, Manabu Saito, Masao Watanabe, Tatsuo Nakahata | 2016-08-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9409239 | Drill bit | Hirofumi Higashiwaki, Manabu Saito, Masao Watanabe, Tatsuo Nakahata | 2016-08-09 |