Kohki Katoh
22Patents
17h-index
32Co-inventors
73Inventor score
Filing activity: Jul 10, 1998 → Feb 13, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6363229B1 | Full-color toner image fixing method and apparatus | Physics | 98 | Expired |
| US6074794A | Toner for dry developing | Physics | 79 | Expired |
| US6183926A | Toner and two-component developer for electrophotographic process and image formation method and image formation apparatus using the toner | Physics | 50 | Expired |
| US6618565B2 | Transfer bias applying method for an image forming apparatus and device for the same | Physics | 49 | Expired |
| US6258502A | Two-component developer, two-component developer holding container, and electrophotographic image formation apparatus equipped with the container | Physics | 48 | Expired |
| US6653037B2 | Toner for developing latent electrostatic images, and image forming method and device | Physics | 47 | Expired |
| US6303258A | Electrophotographic toner and image forming method using the toner | Physics | 45 | Expired |
| US6741821B2 | Image forming apparatus, and process cartridge for use in image forming apparatus | Physics | 39 | Expired |
| US6829450B2 | Transfer bias applying method for an image forming apparatus and device for the same | Physics | 38 | Expired |
| US6566026B2 | Toner for developing electrostatic latent image, toner container containing the toner, and image forming method and apparatus using the toner | Physics | 37 | Expired |
| US6785500B2 | Image forming apparatus including image transfer body with elastic layer and coating layer | Physics | 35 | Expired |
| US6716561B2 | Toner for developing electrostatic latent image and image forming method using same | Physics | 34 | Expired |
| US6858365B2 | Toner for developing electrostatic latent image, developing method and developing apparatus | Physics | 24 | Expired |
| US6733939B2 | Toner, developer and container for the developer, and method of and apparatus for forming an image | Emerging Cross-Sectional Technologies | 24 | Expired |
| US6852459B2 | Color toner, method for manufacturing the toner, and image forming apparatus and method using the toner | Emerging Cross-Sectional Technologies | 22 | Expired |
| US6818370B2 | Toner for developing electrostatic latent image, toner cartridge containing the toner and image forming apparatus | Physics | 20 | Expired |
| US7346287B2 | Transfer device for forming a stable transfer electric field, and an image forming apparatus including the transfer device | Physics | 19 | Expired |
| US6916587B2 | Toner, developer, and image forming method and apparatus | Physics | 15 | Expired |
| US7052815B2 | Color toner for developing electrostatic images, toner container containing the color toner, and image forming method and apparatus using the color toner | Physics | 12 | Expired |
| US7049037B2 | Color toner, method for manufacturing the toner, and image forming apparatus and method using the toner | Emerging Cross-Sectional Technologies | 10 | Expired |
| US7122286B2 | Toner for development of electrostatic latent images, method of forming images, image formation apparatus, toner container containing the toner therein, and image formation apparatus equipped with the toner container | Physics | 7 | Expired |
| US6740461B2 | Carrier and two-component developer for electrophotography | Physics | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.