Kazutoshi Ishida
64Patents
13h-index
58Co-inventors
87Inventor score
Filing activity: Jun 2, 1986 → Nov 24, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8846287B2 | Electrophotographic member, process cartridge and electrophotographic apparatus | Emerging Cross-Sectional Technologies | 36 | Active |
| US8837985B2 | Electrophotographic member and electrophotographic apparatus | Emerging Cross-Sectional Technologies | 35 | Active |
| US8660472B2 | Developing roller, process cartridge, and electrophotographic apparatus | Physics | 30 | Active |
| US7798948B2 | Electrophotographic developing member, process for its production, electrophotographic process cartridge and electrophotographic image forming apparatus | Emerging Cross-Sectional Technologies | 27 | Active |
| US5853849A | Belt for frictionally conveying articles | Emerging Cross-Sectional Technologies | 24 | Expired |
| US6294600A | Rubber composition and power transmission belt incorporating the rubber composition | Chemistry; Metallurgy | 19 | Expired |
| US9952532B2 | Developing apparatus, electrophotographic process cartridge, and electrophotographic image forming apparatus | Physics | 17 | Active |
| US5306213A | Toothed belt | Performing Operations; Transporting | 16 | Expired |
| US9017239B2 | Electrophotographic member, process cartridge and electrophotographic apparatus | Physics | 16 | Active |
| US9921518B2 | Developing roller, with conductive elastic layer having exposed protrusions, cartridge and apparatus | Physics | 16 | Active |
| US9454014B2 | Illumination device, projection apparatus and projection-type image display apparatus | Physics | 14 | Active |
| US10310447B2 | Electrophotographic member, process cartridge, and electrophotographic image forming apparatus | Physics | 13 | Active |
| US8727543B2 | Projection type image display apparatus | Electricity | 13 | Active |
| US9482986B2 | Member for electrophotography, process cartridge, and electrophotographic image forming apparatus | Physics | 13 | Active |
| US5609243A | Toothed conveying belt | Performing Operations; Transporting | 12 | Expired |
| US6361462B1 | V-ribbed power transmission belt | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US5531649A | Toothed power transmission belt | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US4740192A | Power transmission belt | Performing Operations; Transporting | 8 | Expired |
| US9348149B2 | Image display module | Electricity | 7 | Active |
| US10082741B2 | Member for electrophotography, developing apparatus, and electrophotographic apparatus | Physics | 7 | Active |
| US10539891B1 | Electrophotographic member, process cartridge and electrophotographic image forming apparatus | Physics | 7 | Active |
| US7127200B2 | Developing roller, electrophotographic process cartridge, and electrophotographic image forming apparatus | Physics | 6 | Expired |
| US9116504B2 | Scanner device and device for measuring three-dimensional shape of object | Physics | 6 | Active |
| US6245420A | Transfer belt for use in an electrostatographic duplicator | Emerging Cross-Sectional Technologies | 5 | Expired |
| US7099613B2 | Developing roller, electrophotographic process cartridge, and electrophotographic image forming apparatus | Physics | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.