Manabu Hamada
26Patents
5h-index
25Co-inventors
65Inventor score
Filing activity: Dec 18, 2008 → 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 |
| US8768203B2 | Image forming apparatus capable of effectively utilizing interior space | Physics | 8 | Active |
| US9069284B2 | Image forming apparatus and powder transport unit | Physics | 7 | Active |
| USD723099S1 | Powder container | General | 6 | Active |
| US8792808B2 | Developer container, developing device, process unit, and image forming apparatus | Physics | 5 | Active |
| USD724655S1 | Powder container | General | 4 | Active |
| US10175607B2 | Developer container including a convex portion, a rotator, and a recess | Physics | 3 | Active |
| US8861991B2 | Developer amount detector, and developer container, development device, and image forming apparatus incorporating same | Physics | 3 | Active |
| US9141028B2 | Image forming apparatus and developer container, developing device, process unit, and replaceable unit therefor | Physics | 3 | Active |
| US8135313B2 | Powder transport screw, and development device, process unit and image-forming apparatus comprising this powder transport screw | Physics | 3 | Active |
| USD698387S1 | Powder container | General | 3 | Active |
| US8354164B2 | Semiconductive member, and developing roll, charging roll, transfer belt, and image forming apparatus using same | Emerging Cross-Sectional Technologies | 1 | Active |
| USD712463S1 | Powder container | General | 1 | Active |
| US8913926B2 | Developer container, developing device, process cartridge, image forming device, and developer refilling method | Physics | 1 | Active |
| US11506994B2 | Toner cartridge including a protrusion protruding from a center of a conveyance drive gear | Physics | 0 | Active |
| US10295933B2 | Developer container, developing device, process unit, and image forming apparatus | Physics | 0 | Active |
| US8903283B2 | Shutter assembly, powder container, cleaning device, and image forming apparatus | Physics | 0 | Active |
| US10558145B2 | Downsized developer container with higher degree of freedom | Physics | 0 | Active |
| US10816914B2 | Developer container for image forming apparatus | Physics | 0 | Active |
| US9696657B2 | Developer container, developing device, process unit, and image forming apparatus | Physics | 0 | Active |
| US9239565B2 | Powder container, developing unit, process unit, and image forming apparatus incorporating same | Physics | 0 | Active |
| US9176419B2 | Developer container, developing device, process unit, and image forming apparatus | Physics | 0 | Active |
| US11231663B2 | Toner cartridge including a protrusion protruding from a center of a conveyance drive gear | Physics | 0 | Active |
| US9280130B2 | Developer container, developing device, process unit, and image forming apparatus | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.