Atsushi Sampe
36Patents
13h-index
56Co-inventors
76Inventor score
Filing activity: Sep 18, 2001 → Aug 27, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7072602B2 | Image forming apparatus and image forming unit | Physics | 96 | Expired |
| US7162189B2 | Method and apparatus of image forming and process cartridge included in the apparatus | Physics | 30 | Expired |
| US7024133B2 | Image forming apparatus using a user installable process cartridge, a method of arranging the process cartridge, and the process cartridge itself | Physics | 30 | Expired |
| US7136610B2 | Image forming apparatus using installable process cartridge, method of positioning process cartridge, and process cartridge itself | Physics | 23 | Expired |
| US6873814B2 | Developing device using a two-ingredient type developer and image forming apparatus including the same | Physics | 20 | Expired |
| US6996354B2 | Image forming apparatus and image transferring unit for use in the same | Physics | 19 | Expired |
| 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 |
| US6856774B2 | Developing device including magnetic member provided on toner-scattering restraining device and image forming apparatus including the developing device | Physics | 15 | Expired |
| US7139504B2 | Charging device, and process cartridge and image forming apparatus using the charging device | Physics | 14 | Expired |
| US7272354B2 | Cleaning unit and image forming apparatus having multiple cleaning blades | Physics | 14 | Expired |
| US7062207B2 | Powder transport apparatus and image forming apparatus that can stabilize replenishment of powder | Physics | 14 | Expired |
| US7295796B1 | Image forming apparatus having a temporary toner holding device and a toner collecting device | Physics | 13 | Expired |
| US6601991B2 | Roller device for an image transferring device | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US7050741B2 | Imaging apparatus, and toner and process cartridge used in the imaging apparatus | Physics | 11 | Expired |
| US7460810B2 | Image forming apparatus having a cleaning roller for a charging roller of the apparatus | Mechanical Engineering; Lighting; Heating | 10 | Active |
| US7146122B2 | Image forming apparatus and image forming unit | Physics | 10 | Expired |
| US7266324B2 | Charging device, and process cartridge and image forming apparatus using the charging device | Physics | 10 | Active |
| US7127195B2 | Image forming apparatus and image transferring unit for use in the same | Physics | 10 | Expired |
| US7343132B2 | Image forming apparatus and process cartridge including sealable lubricating device | Physics | 8 | Expired |
| US7477862B2 | Charged device, cleaning device, process cartridge, toner, and image-forming device that uses these | Physics | 8 | Expired |
| US7218877B2 | Charging device, and process cartridge and image forming apparatus including the charging device using the same | Physics | 7 | Expired |
| US7085528B2 | Cleaning unit, process cartridge, and image forming apparatus | Physics | 7 | Expired |
| US7305203B2 | Image forming apparatus including a process cartridge formed with a hole | Physics | 7 | Expired |
| US7065316B2 | Cleaning unit, process cartridge, image forming apparatus, and toner | Physics | 6 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.