Hideki Kakuta
27Patents
8h-index
36Co-inventors
71Inventor score
Filing activity: Nov 1, 2007 → Apr 10, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD631088S1 | Process cartridge | General | 29 | Expired |
| USD631090S1 | Process cartridge | General | 26 | Expired |
| USD633137S1 | Process cartridge | General | 25 | Expired |
| US7860437B2 | Developer container, developing apparatus and process cartridge | Emerging Cross-Sectional Technologies | 25 | Active |
| USD631089S1 | Process cartridge | General | 24 | Expired |
| USD631091S1 | Process cartridge | General | 23 | Expired |
| US8185023B2 | Developer container, developing apparatus and process cartridge | Emerging Cross-Sectional Technologies | 12 | Active |
| US8532544B2 | Developer container, developing apparatus and process cartridge | Emerging Cross-Sectional Technologies | 12 | Active |
| US8019240B2 | Developing apparatus, process cartridge, and electrophotographic image forming apparatus | Physics | 5 | Active |
| US8208838B2 | Developing device having light transmitting member for detecting amount of developer | Physics | 3 | Active |
| US8886109B2 | Cleaning unit, process cartridge, and electrophotographic image forming apparatus | Physics | 2 | Active |
| US9304444B2 | Cleaning unit, process cartridge and image forming apparatus | Physics | 2 | Active |
| US9625852B2 | Cleaning unit, process cartridge and image forming apparatus | Physics | 2 | Active |
| US8380105B2 | Developing device, process cartridge, and electrophotographic image forming apparatus | Physics | 1 | Active |
| US9075387B2 | Cartridge and image forming apparatus | Physics | 1 | Active |
| US12038717B2 | Process unit including first and second resin materials and image forming apparatus | Physics | 0 | Active |
| US9529300B2 | Developing device, process cartridge, and electrophotographic image forming apparatus | Physics | 0 | Active |
| US9927737B2 | Developing apparatus and process cartridge | Physics | 0 | Active |
| US9158234B2 | Developing device for use with an electrophotographic image forming apparatus, process cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus, and an electrophotographic image forming apparatus | Physics | 0 | Active |
| US10488785B2 | Developing unit, process cartridge, and image forming apparatus including process cartridge | Physics | 0 | Active |
| US11650538B2 | Cartridge and image forming apparatus | Physics | 0 | Active |
| US10895825B2 | Developer accommodating container, developing device and process cartridge | Physics | 0 | Active |
| US8509660B2 | Developing apparatus and process cartridge | Physics | 0 | Active |
| US9360825B2 | Cleaning device, process cartridge, and electrophotographic image forming apparatus | Physics | 0 | Active |
| US11520286B2 | Cartridge and image forming apparatus | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.