Yasuhiro Sagawa
13Patents
5h-index
40Co-inventors
66Inventor score
Filing activity: Sep 1, 1987 → Jul 12, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4875063A | Electrostatic recording apparatus | Physics | 42 | Expired |
| US4891678A | Electrostatic recording apparatus having a cooled and insulated waste toner container | Physics | 18 | Expired |
| US7621519B2 | Sheet conveying apparatus, image reading apparatus, and image forming apparatus | Physics | 12 | Active |
| US6167230A | Image forming apparatus and image transferring device therefor | Physics | 11 | Expired |
| US7708276B2 | Sheet conveying path switching device used in image forming apparatus, and sheet conveying device | Performing Operations; Transporting | 8 | Active |
| US7992858B2 | Sheet conveying apparatus, image scanning apparatus, and image forming apparatus | Physics | 4 | Active |
| US8684350B2 | Sheet adjusting device, sheet holding receptacle incorporating same, and image forming apparatus incorporating same | Performing Operations; Transporting | 3 | Active |
| US7887051B2 | Stack alignment device, sheet discharge device and image forming apparatus | Performing Operations; Transporting | 3 | Active |
| US8695969B2 | Sheet adjusting device, sheet holding receptacle incorporating same, and image forming apparatus incorporating same | Performing Operations; Transporting | 2 | Active |
| US8970858B2 | Operator guidance system and image forming apparatus incorporating same | Physics | 1 | Active |
| US8585043B2 | Sheet adjusting device, sheet holding receptacle, image forming mechanism, and image reading mechanism | Performing Operations; Transporting | 1 | Active |
| US8944708B2 | Sheet conveying device, and image forming apparatus including same | Performing Operations; Transporting | 0 | Active |
| US9623726B2 | Windowpane for vehicles and method for producing same | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.