Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7166061 | Control device for hydraulic winch | Koichi Shimomura | 2007-01-23 |
| 6868671 | Hydraulic circuit for a crane | Katsuki Yamagata, Taisuke Tsunoo, Takahiro Kobayashi, Ryo Yamamoto, Noboru Ito | 2005-03-22 |