Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11508091 | Calibration device for imaging device, monitoring device, work machine and calibration method | Shogo Atsumi, Taiki Sugawara, Hiroyoshi Yamaguchi | 2022-11-22 |
| 9783952 | Working machine and method of measuring work amount of working machine | Masamichi Ueda | 2017-10-10 |
| 9476183 | Work machine and work amount measurement method in work machine | Masamichi Ueda, Jun Sasaki | 2016-10-25 |
| 9309650 | Working machine and method of measuring work amount of working machine | Tsuyoshi Imamura, Hiromi Tokura | 2016-04-12 |
| 9303390 | Work machine and work management system | Kiyokazu Sagawa, Ryo Sasaki | 2016-04-05 |
| 8104966 | Bearing device | Hiroshi Yamamoto, Motohide Sugihara | 2012-01-31 |
| 6334494 | Control unit for hydraulic impact wrench | — | 2002-01-01 |