Sakae Ito
42Patents
7h-index
31Co-inventors
69Inventor score
Filing activity: Aug 10, 1976 → Apr 19, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6975814B2 | Image forming apparatus | Electricity | 21 | Expired |
| US6980766B2 | Image forming device | Physics | 14 | Expired |
| US4121007A | Printed circuit board made by dispersion imaging | Emerging Cross-Sectional Technologies | 13 | Expired |
| US8122375B2 | Electronic device and method for controlling its menu display | Physics | 12 | Active |
| US7463860B2 | Image forming apparatus | Performing Operations; Transporting | 11 | Expired |
| US7561825B2 | Image forming apparatus that restricts excessive pivotal movement of image reading unit | Physics | 10 | Active |
| US8081899B2 | Image forming apparatus having contacting members for contacting each other responsive to an external force when an opening/closing member is in closed position | Physics | 7 | Active |
| US7416178B2 | Image-forming device | Physics | 7 | Active |
| US7912418B2 | Image-forming device | Physics | 7 | Active |
| US7489886B2 | Image forming apparatus | Electricity | 6 | Active |
| US7266325B2 | Image forming device capable of aligning a plurality of covers | Physics | 4 | Expired |
| US8107852B2 | Image forming apparatus including image reading unit with contacting portions which contact contacted portions when closing the image reading unit | Physics | 4 | Active |
| US7971873B2 | Image forming device | Performing Operations; Transporting | 4 | Active |
| US8099016B2 | Image-forming apparatus | Electricity | 3 | Active |
| US8814454B2 | Image processing device | Electricity | 3 | Active |
| US8532525B2 | Image-forming apparatus | Electricity | 3 | Active |
| US8711406B2 | Movable assemblies for an image reader unit and a cover unit in an image formation apparatus | Physics | 3 | Active |
| US8246035B2 | Image reading apparatus and image forming apparatus | Emerging Cross-Sectional Technologies | 3 | Active |
| US9116500B2 | Image forming apparatus having two housings and method for assembling the same | Emerging Cross-Sectional Technologies | 3 | Active |
| US8451468B2 | Processor, image forming system and computer readable medium | Electricity | 2 | Active |
| US8564857B2 | Image reading apparatus | Physics | 2 | Active |
| US8417177B2 | Image forming apparatus having lowered image forming position and recessed sheet stacking portion | Physics | 2 | Active |
| US7720409B2 | Image forming apparatus having lowered image forming position and recessed sheet stacking portion | Physics | 2 | Active |
| US7295792B2 | Image-forming apparatus with support member housing communications unit | Physics | 2 | Expired |
| US7526226B2 | Image forming apparatus having lowered image forming position and recessed sheet stacking portion | Physics | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.