Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7651301 | Drilling head, method of soil improvement work and apparatus thereof | Toshihisa Taniguchi, Masahiro Nagaishi, Makoto Otsuka | 2010-01-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7651301 | Drilling head, method of soil improvement work and apparatus thereof | Toshihisa Taniguchi, Masahiro Nagaishi, Makoto Otsuka | 2010-01-26 |