Fumio Masuda
11Patents
7h-index
20Co-inventors
66Inventor score
Filing activity: Jun 9, 1981 → Feb 16, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8145113B2 | Fixing device and image formation apparatus | Physics | 23 | Active |
| US8521074B2 | Fixing device and image formation apparatus | Physics | 22 | Active |
| US4990963A | Developing member composed of conductive particles in a dielectric material and having a variable volume resistivity | Physics | 19 | Expired |
| US5499090A | Image forming apparatus having a toner recycling mechanism | Physics | 15 | Expired |
| US4465173A | Coin selector | Physics | 9 | Expired |
| US5132196A | Photosensitive member having a colored aluminum oxide layer | Physics | 8 | Expired |
| US5004665A | Toner containing polymeric-magnetic coordination complex | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4861693A | Carrier for electrophotography | Emerging Cross-Sectional Technologies | 3 | Expired |
| US4978595A | Photoconductive toner containing polymeric-magnetic coordination complex | Emerging Cross-Sectional Technologies | 2 | Expired |
| US8472854B2 | Fixing device and image forming apparatus provided with the fixing device | Physics | 0 | Active |
| US8447215B2 | Image forming apparatus and method | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.