Tsuneyasu Nagatomo
33Patents
4h-index
64Co-inventors
62Inventor score
Filing activity: Sep 16, 2005 → Apr 20, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7455942B2 | Toner, developer, toner container, process cartridge, image forming apparatus, and image forming method using the same | Physics | 29 | Active |
| US9069288B2 | Toner housing container and image forming apparatus | Physics | 5 | Active |
| US7803508B2 | Toner as well as developer and image forming method using the same | Physics | 5 | Active |
| US9023570B2 | Toner, developer, and image forming apparatus | Physics | 4 | Active |
| US9523931B2 | Toner, developer and image forming apparatus | Physics | 4 | Active |
| US8227164B2 | Toner, and developer, developer container, process cartridge, image forming apparatus and image forming method using the toner | Physics | 3 | Active |
| US7695878B2 | Image forming apparatus, process cartridge and toner for use in the image forming apparatus | Physics | 3 | Active |
| US8293442B2 | Resin particle, toner, and image forming method and process cartridge using the same | Emerging Cross-Sectional Technologies | 2 | Active |
| US9005864B2 | Toner, two-component developer and image forming apparatus | Physics | 2 | Active |
| US8956795B2 | Toner for developing electrostatic image, two-component developer and image forming apparatus | Physics | 2 | Active |
| US8614043B2 | Toner | Physics | 2 | Active |
| US9804516B2 | Toner, developer, image forming apparatus, and process cartridge | Physics | 1 | Active |
| US9086647B2 | Developing device that suppresses hysteresis | Physics | 1 | Active |
| US8043778B2 | Toner, method for preparing the toner, and image forming apparatus using the toner | Physics | 1 | Active |
| US8178268B2 | Magenta toner and developer | Physics | 1 | Active |
| US8029960B2 | Toner for developing electrostatic latent image, and image forming apparatus and process cartridge using the toner | Physics | 0 | Active |
| US9291931B2 | Electrostatic charge image developing toner | Physics | 0 | Active |
| US9042802B2 | Image forming apparatus | Physics | 0 | Active |
| US8748071B2 | Image forming method, toner and image forming apparatus | Physics | 0 | Active |
| US11796931B2 | Toner, method for manufacturing toner, developer, toner accommodating unit, image forming apparatus, and image forming method | Physics | 0 | Active |
| US9891548B2 | Image forming method, toner, and image forming apparatus | Physics | 0 | Active |
| US12346062B2 | Toner, toner storage unit, image forming apparatus and method of forming image | Physics | 0 | Active |
| US11054757B2 | Toner, image forming apparatus, image forming method, and process cartridge | Physics | 0 | Active |
| US8785093B2 | Image forming toner, and developer and process cartridge using the toner | Physics | 0 | Active |
| US7817955B2 | Image forming apparatus for securing good cleaning performance without cleaning blade abrasion | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.