Hiroto Higuchi
59Patents
20h-index
78Co-inventors
91Inventor score
Filing activity: Mar 25, 1999 → Apr 1, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6468706B2 | Two-component developer, container filled with the two-component developer, and image formation apparatus | Physics | 80 | Expired |
| US6335137B1 | Electrophotographic toner and electrophotographic image forming method and apparatus using the toner | Physics | 61 | Expired |
| US6667141B2 | Image forming method and apparatus | Physics | 51 | Expired |
| US6593048B2 | Two-component developer, and image forming apparatus and image forming method using the developer | Physics | 50 | Expired |
| US7374851B2 | Toner, and, developer, toner container, process cartridge, image forming apparatus and image forming method | Physics | 45 | Expired |
| US7437111B2 | Fixing device, and image forming apparatus using the fixing device | Physics | 45 | Expired |
| US7702271B2 | Fixing device, and image forming apparatus using the fixing device | Physics | 42 | Active |
| US6699632B2 | Image forming toner, and image forming method and image forming apparatus using the toner | Physics | 39 | Expired |
| US7056638B1 | Toner for electrophotography, developer using the same, process cartridge using the same, image-forming apparatus using the same, and image-forming process using the same | Physics | 35 | Expired |
| US7455942B2 | Toner, developer, toner container, process cartridge, image forming apparatus, and image forming method using the same | Physics | 29 | Active |
| US6544704B1 | Two-component developer, container filled with the two-component developer, and image formation apparatus | Physics | 28 | Expired |
| US7129013B2 | Toner and developer for developing latent electrostatic images, and image forming apparatus | Physics | 27 | Expired |
| US7056636B2 | Dry toner, and process cartridge, image forming process and apparatus using the same | Physics | 27 | Expired |
| US6228550A | Two-component developer | Physics | 25 | Expired |
| US6924073B2 | Toner for developing electrostatic latent image, toner cartridge, developer, developer cartridge, image forming method, and image forming apparatus | Physics | 25 | Expired |
| US7083890B2 | Toner and image forming apparatus using the toner | Physics | 23 | Expired |
| US6790575B2 | Two-component developer, image forming apparatus, and image forming method | Physics | 21 | Expired |
| US6873814B2 | Developing device using a two-ingredient type developer and image forming apparatus including the same | Physics | 20 | Expired |
| US6811944B2 | Toner, method for manufacturing the toner, and image forming method and apparatus using the toner | Physics | 20 | Expired |
| US6934484B2 | Image-forming apparatus and image-forming method | Physics | 20 | Expired |
| US6835517B2 | Toner, developer and image forming method using the toner | Physics | 19 | Expired |
| US6947692B2 | Image forming method and apparatus | Physics | 17 | Expired |
| US7157199B2 | Toner, developer including the toner, container containing the toner or the developer and method of producing the toner | Physics | 16 | Expired |
| US7157201B2 | Toner for developing latent electrostatic image, container having the same, developer using the same, process for developing using the same, image-forming process using the same, image-forming apparatus using the same, and image-forming process cartridge using the same | Physics | 16 | Expired |
| US6856774B2 | Developing device including magnetic member provided on toner-scattering restraining device and image forming apparatus including the developing device | Physics | 15 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.