Toyoshi Sawada
56Patents
11h-index
70Co-inventors
81Inventor score
Filing activity: Jun 26, 2001 → Aug 27, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6653037B2 | Toner for developing latent electrostatic images, and image forming method and device | Physics | 47 | 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 |
| US6716561B2 | Toner for developing electrostatic latent image and image forming method using same | Physics | 34 | Expired |
| US6821698B2 | Toner for developing electrostatic latent image, toner cartridge, image forming method, process cartridge and image forming apparatus | Physics | 25 | Expired |
| US6858365B2 | Toner for developing electrostatic latent image, developing method and developing apparatus | Physics | 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 |
| US7163774B2 | Toner for forming image, method for developing electrostatic latent image, method for fixing toner image, image forming method and process cartridge using the toner | Physics | 18 | Expired |
| US7217485B2 | Toner for electrophotography, and image fixing process, image forming process, image forming apparatus and process cartridge using the same | Physics | 16 | 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 |
| US6939653B2 | Image-forming color toner, developing agent, image-forming apparatus, toner container, image-forming process cartridge and image-forming process | Physics | 11 | Expired |
| US7132210B2 | Image-forming color toner, developing agent, image-forming apparatus, toner container, image-forming process cartridge and image-forming process | Physics | 11 | Expired |
| US6830859B2 | Charge control agent and toner using same | Physics | 10 | Expired |
| US7049037B2 | Color toner, method for manufacturing the toner, and image forming apparatus and method using the toner | Emerging Cross-Sectional Technologies | 10 | Expired |
| US7550243B2 | Toner, developer, toner container, process cartridge, fixing process, image forming apparatus, and image forming process | Physics | 8 | Active |
| US6977129B2 | Charge control agent, toner using same developer containing the toner and developing device containing the developer | Emerging Cross-Sectional Technologies | 8 | Expired |
| US7060407B2 | Image removing method, image removing device, and image forming apparatus | Physics | 7 | Expired |
| US7413839B2 | Toner, developer, toner container, process cartridge, and an image forming apparatus | Physics | 7 | Expired |
| US7379696B2 | Toner for developing electrostatic image, fixing method for fixing image formed of the toner, and image forming method and process cartridge using the toner | Physics | 6 | Expired |
| US8263302B2 | Carrier for electrophotography and two-component developer | Physics | 5 | Active |
| US9851649B2 | Toner, developer, image forming apparatus, and image forming method | Physics | 4 | Active |
| US7235338B2 | Toner and image forming method and process cartridge for image forming apparatus using the toner | Physics | 4 | Expired |
| US7695878B2 | Image forming apparatus, process cartridge and toner for use in the image forming apparatus | Physics | 3 | Active |
| US7386266B2 | Image removing method, image removing device, and image forming apparatus | Physics | 3 | Expired |
| US9804515B2 | Toner, image forming apparatus, image forming method, process cartridge, and developer | Physics | 3 | Active |
| US9785075B2 | Toner, developer, image forming apparatus, and process cartridge | Physics | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.