Takamasa Ozeki
27Patents
5h-index
64Co-inventors
68Inventor score
Filing activity: Nov 26, 2002 → Apr 3, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8331834B2 | Developing unit, image forming apparatus incorporating same, and process cartridge including same | Physics | 9 | Active |
| US6904244B2 | Developing device for suppressing variations in bulk density of developer, and an image forming apparatus including the developing device | Physics | 9 | Expired |
| US6895203B2 | Developing method and apparatus using two-ingredient developer with prescribed coating of particles and resin | Physics | 9 | Expired |
| US7813680B2 | Developing device, and image forming apparatus and process cartridge comprising the same | Physics | 9 | Active |
| US7095971B2 | Developing method and apparatus using two-ingredient developer with prescribed coating of particles and resin | Physics | 5 | Expired |
| US7003235B2 | Developing device for suppressing variations in bulk density of developer, and an image forming apparatus including the developing device | Physics | 5 | Expired |
| US7283774B2 | Developing method using a two-ingredient type developer and image forming apparatus using the same | Physics | 4 | Expired |
| US7474867B2 | Magnetic carrier, two-component developer, development method, development device and image forming apparatus of electrophotography | Physics | 4 | Expired |
| US9588460B2 | Image forming apparatus | Physics | 1 | Active |
| US9280125B2 | Image forming apparatus | Physics | 1 | Active |
| US9684259B2 | Image forming apparatus | Physics | 1 | Active |
| US9513594B2 | Protective layer forming device and image forming apparatus | Physics | 1 | Active |
| US8326189B2 | Developing device, process cartridge, and image forming apparatus | Physics | 1 | Active |
| US9316987B2 | Image forming apparatus and image forming method | Physics | 1 | Active |
| US8824932B2 | Development device, and process cartridge and image forming apparatus incorporating same | Physics | 1 | Active |
| US10061226B2 | Image forming apparatus and image forming method | Physics | 1 | Active |
| US9250593B2 | Image forming apparatus and image density control method employed by the image forming apparatus | Physics | 1 | Active |
| US8135315B2 | Developer regulating member in a developing unit, process cartridge including same, and image forming apparatus incorporating same | Physics | 1 | Active |
| US8682230B2 | Development device, process cartridge, and image forming apparatus including same having multiple recesses formed on a developer bearer | Physics | 0 | Active |
| US9244374B2 | Image forming apparatus | Physics | 0 | Active |
| US9599946B2 | Image forming apparatus | Physics | 0 | Active |
| US9989876B2 | Image forming apparatus and method for calculating a toner degradation rate | Physics | 0 | Active |
| US9298125B2 | Image forming apparatus and image forming method | Physics | 0 | Active |
| US9042748B2 | Image forming apparatus | Physics | 0 | Active |
| US9052643B2 | Image forming method and image forming apparatus for transforming a toner image into a semi-film | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.