Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7303159 | Crushing control apparatus for shearing crusher | Toshio Kitani, Eiichi Muramoto, Takuya Uemura, Kazuyuki Yamazaki, Shimpei Abe | 2007-12-04 |
| 6637525 | Ground drilling machine and rod exchanger utilized therefor | Kentaro Watanabe, Toyohiko Youan, Kazuyuki Yamazaki | 2003-10-28 |