Ryuichi Umehara
7Patents
1h-index
8Co-inventors
36Inventor score
Filing activity: Apr 12, 2010 → Mar 22, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US10801335B2 | Rotary machine | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US9869953B2 | Image forming apparatus | Physics | 0 | Active |
| US10261462B2 | Image forming apparatus | Physics | 0 | Active |
| US11066938B2 | Rotary machine | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US9150396B2 | Electric-vehicle control device, and electric vehicle and forklift truck having the same | Emerging Cross-Sectional Technologies | 0 | Active |
| US10317832B2 | Image forming apparatus to suppress toner adhering to guiding members | Electricity | 0 | Active |
| US10061254B2 | Image forming system with information on conveying speed transferred between control units | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.