Inventor · Yokohama, JP

Yohei Matsuoka

14Patents
2h-index
13Co-inventors
40Inventor score

Filing activity: Oct 28, 2015 → Jun 7, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
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.