Inventor · Yokohama, JP

Yosuke Morikawa

25Patents
10h-index
26Co-inventors
75Inventor score

Filing activity: May 28, 1997 → Apr 1, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US7141341B2 Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus Physics 25 Expired
US6492081B2 Electrophotographic photosensitive member, and process cartridge and electrophotographic apparatus including the photosensitive member Physics 17 Expired
US6806009B2 Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus Physics 16 Expired
US6835512B2 Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus Physics 14 Expired
US6815135B2 Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus Physics 14 Expired
US6562530B2 Electrophotographic photosensitive member, and process cartridge and electrophotographic apparatus having the electrophotographic photosensitive member Physics 13 Expired
US6998210B2 Electrophotographic photosensitive member, electrophotographic apparatus, and process cartridge Physics 13 Expired
US11097787B2 Lower vehicle-body structure Emerging Cross-Sectional Technologies 11 Active
US6555279B2 Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus Physics 11 Expired
US6913862B2 PHENOLIC COMPOUND, NOVEL RESOL RESIN, CURED PRODUCTS THEREOF, ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER CONTAINING THEM, AND PROCESS CARTRIDGE AND ELECTROPHOTOGRAPHIC APPARATUS WHICH HAVE THE ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER Physics 11 Expired
US7022446B2 Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus Physics 10 Expired
US7078140B2 Electrophotographic photosensitive member, electrophotographic apparatus, and process cartridge Physics 10 Expired
US7396622B2 Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus Physics 9 Active
US7129012B2 Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus Physics 8 Expired
US7745083B2 Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus Physics 8 Active
US7592113B2 Electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus Physics 8 Active
US6697591B2 Electrophotographic apparatus and process cartridge Physics 6 Expired
US6829459B2 Electrophotographic apparatus using photosensitive member employing charge injection method and developer unit cleaning system Physics 6 Expired
US11731711B2 Vehicle front structure Performing Operations; Transporting 3 Active
US7727691B2 Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus Physics 2 Active
US7534537B2 Electrophotographic photosensitive member, process cartridge and electrophotographic apparatus Physics 2 Expired
US6324365A Electrophotographic photosensitive member, and process cartridge and electrophotographic apparatus employing the same Physics 1 Expired
US7241547B2 Toner, method for forming image using the toner, and process cartridge Physics 0 Active
US7141343B2 Toner, method for forming image using the toner, and process cartridge Physics 0 Expired
US6434351B1 Electrophotographic photosensitive member, and process cartridge and electrophotographic apparatus employing the same Physics 0 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.