Naoki Nakatake
47Patents
5h-index
62Co-inventors
68Inventor score
Filing activity: Dec 26, 2002 → Dec 15, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8744321B2 | Developer container, developing device, process unit, and image forming apparatus | Physics | 14 | Active |
| US9201341B2 | Developer container, developing device, processing unit, image forming device, and method of manufacturing developer container | Physics | 9 | Active |
| US9069284B2 | Image forming apparatus and powder transport unit | Physics | 7 | Active |
| USD723099S1 | Powder container | General | 6 | Active |
| US8571426B2 | Toner supply method, development device, process unit, and image forming apparatus | Physics | 6 | Active |
| US8792808B2 | Developer container, developing device, process unit, and image forming apparatus | Physics | 5 | Active |
| USD724655S1 | Powder container | General | 4 | Active |
| US6983840B2 | Package and method of forming the package | Physics | 4 | Expired |
| USD698387S1 | Powder container | General | 3 | Active |
| US7848694B2 | Image forming device, processing unit, and image forming method | Physics | 3 | Active |
| US8861991B2 | Developer amount detector, and developer container, development device, and image forming apparatus incorporating same | Physics | 3 | Active |
| US10175607B2 | Developer container including a convex portion, a rotator, and a recess | Physics | 3 | Active |
| US7840157B2 | Image forming apparatus and image carrier unit | Physics | 2 | Active |
| US10496013B2 | Developing device, process cartridge, and image forming apparatus | Physics | 2 | Active |
| US8892007B2 | Image forming apparatus, toner supplying method, and computer program product | Physics | 2 | Active |
| US8257891B2 | Electrophotographic photoconductor, process cartridge and image forming apparatus | Physics | 2 | Active |
| US8483583B2 | Image forming apparatus and toner supply method | Physics | 2 | Active |
| US8594519B2 | Image forming apparatus and toner supply method | Physics | 2 | Active |
| USD712463S1 | Powder container | General | 1 | Active |
| US8192910B2 | Image forming method, image forming apparatus and process cartridge | Physics | 1 | Active |
| US8503892B2 | Developing unit, image forming apparatus, and process cartridge | Physics | 1 | Active |
| US8983323B2 | Color image forming apparatus with a line velocity difference set between image carriers | Physics | 1 | Active |
| US7334383B2 | Package and method of forming the package | Physics | 1 | Expired |
| US8811859B2 | Developer container, development device, process unit, and image forming apparatus | Physics | 1 | Active |
| US8774683B2 | Development device, developer container, and image forming apparatus | Physics | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.