Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6554144 | Boom positioning device for high-position working | Shinji Murai, Shinichi Ishikawa | 2003-04-29 |
| 6540473 | Robot vehicle for hot-line job | Hirofumi Inokuchi, Toshihide Tomiyama, Yoshihiro Yurita, Shinji Murai, Yusuke Hirano +13 more | 2003-04-01 |