Inventor · Izunokuni, JP

Daisuke Makiguchi

35Patents
14h-index
41Co-inventors
77Inventor score

Filing activity: Aug 26, 2013 → Jun 5, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US9494890B2 Developing cartridge, process cartridge and image forming apparatus Physics 78 Active
US9465318B2 Developer accommodating container with toner seal member, unsealing member, and auxiliary unsealing member Physics 70 Active
US9523942B2 Developer accommodating container, developing cartridge, process cartridge and image forming apparatus Physics 68 Active
US9188906B2 Cartridge, developing cartridge, process cartridge and image forming apparatus Physics 57 Active
US9164430B2 Developer container, developing cartridge, process cartridge and image forming apparatus Physics 55 Active
US9052638B2 Cartridge and image forming apparatus with seal member for sealing a toner feeding opening Physics 51 Active
US9599932B2 Developer container with sealing member having a plurality of holes and rotatable member having a plurality of projections contactable with the sealing member Physics 51 Active
US9069289B2 Developer container, developing cartridge, process cartridge and image forming apparatus Physics 51 Active
US9116466B2 Cartridge, process cartridge and image forming apparatus Physics 50 Active
US9229371B2 Developer container, developing cartridge, process cartridge and image forming apparatus Physics 49 Active
US9164424B2 Cartridge with flexible developer bag and elastic member for acting on the developer bag Physics 43 Active
US9989892B2 Developer accommodating container with projected shaped portion for contacting toner seal member Physics 42 Active
US10095161B2 Accommodating container, process cartridge and electrophotographic image forming apparatus Physics 28 Active
US10095180B2 Developing cartridge which is movable toward and away from image bearing member Physics 17 Active
US10627780B2 Cartridge and image forming apparatus Physics 9 Active
USD873341S1 Process cartridge for image forming apparatus General 7 Active
US10915060B2 Developing device having restricted movement, process cartridge and image forming apparatus Physics 5 Active
US11112753B2 Cartridge with a sheet to remove matter from a surface of a photosensitive drum Physics 4 Active
US10281873B2 Developing device, process cartridge, and image forming apparatus Physics 3 Active
US11294299B2 Cartridge used in image forming apparatus Physics 2 Active
US11709438B2 Cartridge used in image forming apparatus Physics 2 Active
US10025268B2 Image forming apparatus main body and image forming system using an electrophotographic image forming process to form an image on a medium Physics 1 Active
US11480916B2 Cartridge having toner removing sheet in contact with photosensitive drum Physics 1 Active
US10520883B2 Method for manufacturing image bearing unit and method for manufacturing cartridge Physics 0 Active
US10564597B2 Method for manufacturing image bearing unit and method for manufacturing cartridge Physics 0 Active

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