Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9669472 | Drilling apparatus and drilling method | Takashi Murakami, Hideharu Takahashi, Tatsuo Nakahata | 2017-06-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9669472 | Drilling apparatus and drilling method | Takashi Murakami, Hideharu Takahashi, Tatsuo Nakahata | 2017-06-06 |