Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10190285 | Excavating apparatus, excavation blade plate and excavating method | — | 2019-01-29 |
| 10156058 | Excavating apparatus and excavating method | — | 2018-12-18 |
| 8600652 | Crane operation evaluation device | — | 2013-12-03 |
| 7010873 | Continuous underground trench excavating method and excavator therefor | Fumio Kinoshita | 2006-03-14 |
| 6574893 | Method and system for supporting construction of underground continuous wall and excavator therefor | — | 2003-06-10 |
| 6536142 | Excavator for a ditch and excavating method therefor | Tadao Nakayama | 2003-03-25 |
| 6381882 | Work control system for a trencher type excavator for soil cement wall | Tadao Nakayama, Shozo Kajikawa, Fujio Itoh | 2002-05-07 |
| 6219945 | Excavating method | Mituo Heishi | 2001-04-24 |