Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10107045 | Drilling tool | Hiroshi Ota | 2018-10-23 |
| 10006251 | Digging bit | Hiroshi Ota | 2018-06-26 |
| 9869134 | Drilling tool | Hiroshi Ota | 2018-01-16 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10107045 | Drilling tool | Hiroshi Ota | 2018-10-23 |
| 10006251 | Digging bit | Hiroshi Ota | 2018-06-26 |
| 9869134 | Drilling tool | Hiroshi Ota | 2018-01-16 |