Nobumasa Furuya
25Patents
8h-index
42Co-inventors
75Inventor score
Filing activity: Jan 22, 1988 → Jun 7, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5768666A | Developing apparatus comprising excessive toner separation means | Physics | 17 | Expired |
| US4833505A | Latent image color developing system | Physics | 14 | Expired |
| US4937629A | Composite image recording apparatus | Physics | 10 | Expired |
| US5799234A | Developing apparatus using a dual component developer | Physics | 10 | Expired |
| US5126795A | Image recording method | Physics | 10 | Expired |
| US5212525A | Developing magnetic roller having repulsive magnetic poles and developer-limiting member | Physics | 9 | Expired |
| US5181072A | Color recording apparatus | Physics | 8 | Expired |
| US5655191A | Color image recording method for transferring a multi-colored image to an image receptor | Physics | 8 | Expired |
| US5418097A | Color image recording method and apparatus | Physics | 8 | Expired |
| US5532804A | Device for developing an electrostatic image on an image member | Physics | 7 | Expired |
| US5406313A | Color image forming apparatus and method | Physics | 6 | Expired |
| US5469245A | Development method and apparatus and multicolor image forming apparatus using these | Physics | 5 | Expired |
| US7642024B2 | Image-forming apparatus and image-forming process | Physics | 4 | Active |
| US8942587B2 | Electrostatic image developer and image forming apparatus | Physics | 1 | Active |
| US8374529B2 | Image forming apparatus and tubular powder container having a guide portion | Physics | 1 | Active |
| US6023601A | Developing device using two-component developer | Physics | 1 | Expired |
| US8913916B2 | Developer, image-forming apparatus, and method for forming image | Physics | 1 | Active |
| US7070899B2 | Electrostatic latent image developer, image forming method, and image forming apparatus | Physics | 1 | Expired |
| US8953989B2 | Developing device and image forming apparatus | Physics | 1 | Active |
| US8892009B2 | Developing device, image forming apparatus and image forming method | Physics | 0 | Active |
| US8417159B2 | Powder container and image forming apparatus | Physics | 0 | Active |
| US7953353B2 | Developing device, method of producing developing device, and image forming apparatus | Physics | 0 | Active |
| US8781356B2 | Image forming apparatus and vibration reducing member | Physics | 0 | Active |
| US9244386B2 | Developing device and image forming apparatus | Physics | 0 | Active |
| US9213269B2 | Developing device and image forming apparatus | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.