Mitsuo Sonoda
10Patents
6h-index
24Co-inventors
66Inventor score
Filing activity: Mar 9, 1988 → Dec 28, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5203168A | Hydraulic driving circuit with motor displacement limitation control | Mechanical Engineering; Lighting; Heating | 65 | Expired |
| US4846046A | Hydraulic drive circuit system | Performing Operations; Transporting | 8 | Expired |
| US6101437A | Operation control device for three-joint excavator | Fixed Constructions | 7 | Expired |
| US6079131A | Operation control device for three-joint type excavator | Fixed Constructions | 7 | Expired |
| US8659177B2 | Motive power regeneration system for working machine | Mechanical Engineering; Lighting; Heating | 7 | Active |
| US5003776A | Hydraulic drive system | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US9399856B2 | Hydraulic working machine | Emerging Cross-Sectional Technologies | 4 | Active |
| US9671763B2 | Device for controlling construction machinery | Emerging Cross-Sectional Technologies | 3 | Active |
| US9065361B2 | Hybrid construction machine | Emerging Cross-Sectional Technologies | 2 | Active |
| US9103093B2 | Rotation control device of working machine | Fixed Constructions | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.