Kozo Ishio
16Patents
4h-index
25Co-inventors
60Inventor score
Filing activity: Nov 23, 1994 → Jun 7, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6824938B2 | Electrophotographic photoreceptor | Physics | 6 | Expired |
| US8064796B2 | Image forming apparatus | Physics | 5 | Active |
| US8404411B2 | Electrophotographic photoreceptor, image-forming apparatus, and electrophotographic cartridge | Physics | 5 | Active |
| US10571850B2 | End member, photoreceptor drum unit, and process cartridge | Physics | 4 | Active |
| US8323861B2 | Electrophotographic photoreceptor, image-forming apparatus, and electrophotographic cartridge | Physics | 2 | Active |
| US5547791A | Electrophotographic photoreceptor | Physics | 2 | Expired |
| US8221950B2 | Image forming apparatus | Physics | 2 | Active |
| US8211602B2 | Image forming apparatus | Physics | 2 | Active |
| US8906586B2 | Coating fluid for photosensitive-layer formation, process for producing the same, photoreceptor produced with the coating fluid, image-forming apparatus employing the photoreceptor, and electrophotographic cartridge employing the photoreceptor | Physics | 1 | Active |
| US8741530B2 | Image forming apparatus | Physics | 0 | Active |
| US8938183B2 | Doctor blade assembly and alignment method | Physics | 0 | Active |
| US8420283B2 | Coating liquid for forming undercoat layer, method for preparing coating liquid for forming undercoat layer, electrophotographic photoreceptor, image-forming apparatus, and electrophotographic cartridge | Physics | 0 | Active |
| US10459403B2 | End member, photoreceptor drum unit, and process cartridge | Physics | 0 | Active |
| US9217490B2 | Devices and methods for remanufacturing printer cartridges | Emerging Cross-Sectional Technologies | 0 | Active |
| US8871413B2 | Toners for electrostatic-image development, cartridge employing toner for electrostatic-image development, and image-forming apparatus | Physics | 0 | Active |
| US8974998B2 | Method of image forming with a photoreceptor and toner | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.