Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6913094 | Leading body for ground drilling and ground drilling machine | Toyohiko Youan, Kentaro Watanabe, Eiichi Muramoto | 2005-07-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6913094 | Leading body for ground drilling and ground drilling machine | Toyohiko Youan, Kentaro Watanabe, Eiichi Muramoto | 2005-07-05 |