Masahito Yoshida
45Patents
9h-index
69Co-inventors
78Inventor score
Filing activity: Jan 12, 1981 → Jan 27, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6663233B2 | Inkjet printing apparatus and ink supplying method | Performing Operations; Transporting | 39 | Expired |
| US6783215B2 | Ink container, inkjet printing apparatus, and ink supplying method | Performing Operations; Transporting | 23 | Expired |
| US5921690A | Discharged-sheet stacking device, and image forming apparatus including the same | Performing Operations; Transporting | 20 | Expired |
| US6027269A | Discharged sheet stacking apparatus and image forming apparatus | Performing Operations; Transporting | 19 | Expired |
| US8783859B2 | Sheet conveyance apparatus, printing apparatus, and jam clearing method | Performing Operations; Transporting | 18 | Active |
| US6948803B2 | Ink container, inkjet printing apparatus and ink supplying method | Performing Operations; Transporting | 18 | Expired |
| US6523929B2 | Image forming apparatus | Performing Operations; Transporting | 15 | Expired |
| US4381523A | Automatic focusing device | Electricity | 12 | Expired |
| US9278555B2 | Printing apparatus and printing method | Performing Operations; Transporting | 9 | Active |
| US6712460B2 | Inkjet printing head | Performing Operations; Transporting | 8 | Expired |
| US6837921B2 | Ink tank | Performing Operations; Transporting | 8 | Expired |
| US5145280A | Water disaster prevention water curtain forming apparatus | Fixed Constructions | 7 | Expired |
| US4737905A | Apparatus employing coordinate system and nonlinear transformations for moving a driven member in response to an operating member | Physics | 5 | Expired |
| US6520618B2 | Pump, device for recovering liquid ejection and image forming apparatus equipped with the pump | Performing Operations; Transporting | 4 | Expired |
| US8911167B2 | Sheet cutting device and printer | Emerging Cross-Sectional Technologies | 4 | Active |
| US6563268B2 | High-intensity discharge lamp | Electricity | 4 | Expired |
| US8746997B2 | Recording apparatus and sheet processing method | Performing Operations; Transporting | 4 | Active |
| US6685308B2 | Image forming apparatus | Performing Operations; Transporting | 3 | Expired |
| US5081582A | Method of controlling position of on-water water curtain device | Physics | 3 | Expired |
| US6164206A | Image forming apparatus and controlling method thereof | Performing Operations; Transporting | 3 | Expired |
| US7591457B2 | Printing medium transport apparatus and method and printing apparatus | Performing Operations; Transporting | 3 | Active |
| US7097272B2 | Printing apparatus, print head performance recovery device and method, and piston pump | Performing Operations; Transporting | 2 | Expired |
| US8408827B2 | Recording apparatus and sheet processing method | Performing Operations; Transporting | 2 | Active |
| US10827611B2 | Flexible wiring board, electronic device, and fiber product | Electricity | 2 | Active |
| US8662618B2 | Printing apparatus and jam restoration method in printing apparatus | Performing Operations; Transporting | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.