Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9074345 | Swing device for construction machine | Mitsugu Ojima, Kouji Ishikawa, Hidetoshi Satake | 2015-07-07 |
| 8641569 | Revolving apparatus for construction machine | Tomoharu Morita, Takeshi Kurihara | 2014-02-04 |