Nao Nagashima
56Patents
21h-index
39Co-inventors
88Inventor score
Filing activity: May 20, 1980 → Jan 27, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7567360B2 | Image forming system, method and program of controlling image forming system, and storage medium | Physics | 81 | Active |
| US4791492A | Image processing system | Electricity | 53 | Expired |
| US4719516A | Image processing apparatus | Physics | 42 | Expired |
| US5581613A | Color image processing apparatus and method | Electricity | 38 | Expired |
| US5444517A | Management system for controlling operation of an image processing apparatus | Physics | 37 | Expired |
| US4679096A | Image processing apparatus | Physics | 35 | Expired |
| US4517606A | Apparatus for processing video signals | Electricity | 34 | Expired |
| US4617596A | Image processing apparatus | Electricity | 32 | Expired |
| US4958236A | Image processing method and apparatus therefor | Electricity | 32 | Expired |
| US6438574B1 | Multifunctional apparatus and data processing method | Electricity | 30 | Expired |
| US5001574A | Image processing system | Electricity | 28 | Expired |
| US4355885A | Image forming apparatus provided with surface potential control device | Physics | 26 | Expired |
| US4691365A | Image reading apparatus | Electricity | 24 | Expired |
| US4918542A | Image processing apparatus capable of smooth multi-area variable magnification processing | Electricity | 24 | Expired |
| US5189523A | Image processing apparatus | Electricity | 23 | Expired |
| US5109434A | Image processing apparatus | Electricity | 22 | Expired |
| US4695895A | Image processing system | Electricity | 21 | Expired |
| US4549219A | Image information transmission system | Electricity | 21 | Expired |
| US4701808A | Image processing apparatus with variable magnification and gray level processing | Electricity | 21 | Expired |
| US4870500A | Image signal processing apparatus | Electricity | 21 | Expired |
| US4563706A | Image forming system | Electricity | 21 | Expired |
| US4811109A | Image processing system | Electricity | 19 | Expired |
| US4499500A | Two-side image forming apparatus | Electricity | 17 | Expired |
| US5483623A | Printing apparatus | Physics | 17 | Expired |
| US4999717A | Image reading apparatus | Electricity | 15 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.