Takeshi Uchitani
121Patents
11h-index
100Co-inventors
83Inventor score
Filing activity: Sep 2, 2003 → Sep 7, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7925188B2 | Development device, process cartridge, and image forming apparatus using the development device | Physics | 19 | Active |
| US7062194B2 | Charging device, and process cartridge and image forming apparatus including the charging device | Physics | 18 | Expired |
| US7110696B2 | Cleaning unit, process cartridge, and image forming apparatus | Physics | 16 | Expired |
| US8346105B2 | Information storage device, removable device, developer container, and image forming apparatus | Emerging Cross-Sectional Technologies | 15 | Active |
| US7139504B2 | Charging device, and process cartridge and image forming apparatus using the charging device | Physics | 14 | Expired |
| US7630659B2 | Method and apparatus for image forming capable of effectively performing a charging process | Physics | 14 | Active |
| US7149465B2 | Cleaning unit, process cartridge, image forming apparatus, and toner | Physics | 14 | Expired |
| US7272354B2 | Cleaning unit and image forming apparatus having multiple cleaning blades | Physics | 14 | Expired |
| US7672605B2 | Transfer device and image forming apparatus | Physics | 13 | Active |
| US7295796B1 | Image forming apparatus having a temporary toner holding device and a toner collecting device | Physics | 13 | Expired |
| US7228099B2 | Cleaning device for cleaning a surface of an image support body | Physics | 12 | Expired |
| US7050741B2 | Imaging apparatus, and toner and process cartridge used in the imaging apparatus | Physics | 11 | Expired |
| US9244411B2 | Fixing device and image forming apparatus incorporating same | Physics | 11 | Active |
| US7266324B2 | Charging device, and process cartridge and image forming apparatus using the charging device | Physics | 10 | Active |
| US9081327B2 | Apparatus and method for preventing an information storage device from falling from a removable device | Emerging Cross-Sectional Technologies | 9 | Active |
| US9304454B2 | Fixing device and image forming apparatus incorporating same | Physics | 9 | Active |
| US7430377B2 | Image forming apparatus and process cartridge having a detachable unit body having a lubricant applying unit and image carrier mounted thereon | Physics | 8 | Expired |
| US7218877B2 | Charging device, and process cartridge and image forming apparatus including the charging device using the same | Physics | 7 | Expired |
| US7333744B2 | Image forming apparatus that charges a photosensitive member by superimposing an alternate current bias voltage on a direct current bias voltage as the charge bias voltage | Physics | 7 | Expired |
| US7493075B2 | Cleaning device, process cartridge and image forming apparatus | Physics | 6 | Active |
| US7065316B2 | Cleaning unit, process cartridge, image forming apparatus, and toner | Physics | 6 | Expired |
| US9031439B2 | Fixing device and image forming device | Physics | 5 | Active |
| US8886101B2 | Fixing device capable of enhancing durability of endless belt and image forming apparatus incorporating the same | Physics | 5 | Active |
| US7130564B2 | Method and apparatus for image forming capable of removing residual toner without using a toner cleaning system, process cartridge for use in the apparatus and toner used for the image forming | Physics | 5 | Expired |
| US9037008B2 | Fixing device and image forming apparatus including same | Physics | 4 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.