Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7927043 | Rockbolts made of steel pipes | Tatsurou Iwasaki, Masahiro Nakata, Hiromichi Shiroma, Kenji Ooshima, Hiroyuki Tanase +3 more | 2011-04-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7927043 | Rockbolts made of steel pipes | Tatsurou Iwasaki, Masahiro Nakata, Hiromichi Shiroma, Kenji Ooshima, Hiroyuki Tanase +3 more | 2011-04-19 |