Tsuyoshi Imamura
36Patents
11h-index
64Co-inventors
78Inventor score
Filing activity: Sep 16, 1982 → Nov 7, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6337957B1 | Image forming apparatus and developing device with improved self toner density control | Physics | 118 | Expired |
| US7212773B2 | Image forming apparatus | Physics | 99 | Expired |
| US6522855B1 | Image forming apparatus and developing apparatus preventing uneven image density | Physics | 91 | Expired |
| US6198895A | Developing device with improved developer circulation and toner density control | Physics | 77 | Expired |
| US5970294A | Cylindrical structural body for use in an image forming apparatus and method of producing the same | Emerging Cross-Sectional Technologies | 25 | Expired |
| US6070038A | Developing device and developing roller therefor | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5244741A | Developing roller of monocomponent developing system | Emerging Cross-Sectional Technologies | 18 | Expired |
| US6112042A | Developing device and developing roller therefor | Emerging Cross-Sectional Technologies | 18 | Expired |
| US6330415A | Developing device and magnet roller for developing device | Performing Operations; Transporting | 14 | Expired |
| US7272342B2 | Image forming apparatus having a detachable cartridge including a photoconductive drum with axis shaft having a minimal rotational eccentricity, and a method of assembling the image forming apparatus | Physics | 13 | Active |
| US4504617A | Inorganic filler containing propylene polymer compositions | Emerging Cross-Sectional Technologies | 12 | Expired |
| US7228093B2 | Method and apparatus for image forming capable of performing a stable image development | Physics | 11 | Expired |
| US6697593B2 | Developing device using a developing roller and image forming apparatus including the same | Physics | 10 | Expired |
| US5789133A | Liquid developer | Physics | 9 | Expired |
| US7027761B2 | Developing device and an image forming apparatus including the same | Physics | 9 | Expired |
| US5470539A | Continuous polymerization method and apparatus | Performing Operations; Transporting | 8 | Expired |
| US4552689A | Electrically conductive inorganic filler containing propylene polymer compositions | Emerging Cross-Sectional Technologies | 7 | Expired |
| US9309650B2 | Working machine and method of measuring work amount of working machine | Physics | 6 | Active |
| US5603986A | Method of preparing microcapsules | Performing Operations; Transporting | 5 | Expired |
| US7352983B2 | Development magnet roller, development device, process cartridge and image forming apparatus | Physics | 5 | Expired |
| US5700862A | Aqueous coating composition | Chemistry; Metallurgy | 4 | Expired |
| US5340891A | Continuous polymerization method and apparatus | Performing Operations; Transporting | 4 | Expired |
| US7127199B2 | Developing device and process cartridge with predetermined magnetic force for an image forming apparatus | Physics | 4 | Expired |
| US8023867B2 | Magnet roller and method for the same, magnetic particle-support member, development device, process cartridge, and image forming apparatus | Physics | 4 | Active |
| US7366454B2 | Long magnet, production method thereof, magnet roller and image forming device | Emerging Cross-Sectional Technologies | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.