Yohei Matsuoka
14Patents
2h-index
13Co-inventors
40Inventor score
Filing activity: Oct 28, 2015 → Jun 7, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US10042310B2 | End member, photosensitive drum unit, developing roller unit, and process cartridge | Physics | 5 | Active |
| US10571850B2 | End member, photoreceptor drum unit, and process cartridge | Physics | 4 | Active |
| US10534308B2 | Transmission device for a photosensitive drum | Physics | 2 | Active |
| US10012951B2 | End member, photoreceptor drum unit, developing roller unit, and process cartridge | Physics | 0 | Active |
| US10203647B2 | Bearing member, end member, photoreceptor drum unit, developing roller unit, process cartridge, and manufacturing method of bearing member | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10686001B2 | Image sensor and image-capturing device | Electricity | 0 | Active |
| US10146167B2 | Shaft member, end member, photoreceptor drum unit, developing roller unit, and process cartridge | Physics | 0 | Active |
| US9494917B2 | Process cartridge for image forming apparatus and method of separating process cartridge from image forming apparatus | Physics | 0 | Active |
| US10133235B2 | Shaft member, end member, photoreceptor drum unit, developing roller unit, and process cartridge | Physics | 0 | Active |
| US10007223B2 | Bearing member, end member, photoreceptor drum unit, developing roller unit, process cartridge, and manufacturing method of bearing member | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US9804551B2 | End member which allows transmission of rotary power | Physics | 0 | Active |
| US9791819B2 | End member, photosensitive drum unit, developing roller unit, and process cartridge | General | 0 | Revoked |
| US10254702B2 | End member, photosensitive drum unit, and process cartridge | Physics | 0 | Active |
| US10459403B2 | End member, photoreceptor drum unit, and process cartridge | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.