Inventor
FUJIMOTO MASAMI
JP61 patents
⚠️ This page may combine multiple inventors who share the name “FUJIMOTO MASAMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
36 patentsUS7537877B2May 26, 2009
Toner used in electrophotography having toner particles and silica powder
CANON KK70 citations97
US6670087B2Dec 30, 2003
Toner, image-forming apparatus, process cartridge and image forming method
CANON KK59 citations96
US6235441B1May 22, 2001
Positively chargeable toner, image forming method and image forming apparatus
CANON KK67 citations96
US6203959B1Mar 20, 2001
Toner
CANON KK80 citations96
US5968701AOct 19, 1999
Toner and image forming method
CANON KK79 citations96
US10303075B2May 28, 2019
Toner
CANON KK36 citations94
US10295920B2May 21, 2019
Toner
CANON KK36 citations94
US9897932B2Feb 20, 2018
Toner
CANON KK37 citations94
US9829818B2Nov 28, 2017
Toner
CANON KK38 citations94
US9778583B2Oct 3, 2017
Toner and imaging method
CANON KK23 citations94
US9772570B2Sep 26, 2017
Magnetic toner
CANON KK29 citations94
US9341970B2May 17, 2016
Toner
CANON KK42 citations94
US9261804B2Feb 16, 2016
Toner
CANON KK41 citations94
US9250548B2Feb 2, 2016
Toner
CANON KK39 citations94
US9201323B2Dec 1, 2015
Toner
CANON KK47 citations94
US7855042B2Dec 21, 2010
Developer and image forming method
CANON KK51 citations94
US7740998B2Jun 22, 2010
Positively chargeable developer
CANON KK37 citations93
US7147981B2Dec 12, 2006
Toner
CANON KK41 citations93
US6653036B1Nov 25, 2003
Magnetic toner and image forming method
CANON KK49 citations93
US6156471ADec 5, 2000
Toner and image forming method
CANON KK51 citations93
US6120961ASep 19, 2000
Toner for developing electrostatic images
CANON KK35 citations93
US6020102AFeb 1, 2000
Positive-chargeable toner, image forming method and apparatus unit
CANON KK34 citations93
US6541174B1Apr 1, 2003
Method using toner and developer for developing electrostatic image
CANON KK20 citations92
US6187496B1Feb 13, 2001
Toner and developer for developing electrostatic image, process for production thereof and image forming method
CANON KK16 citations92
US6077638AJun 20, 2000
Toner and developer for developing electrostatic image, process for production thereof and image forming method
CANON KK29 citations92
US5716746AFeb 10, 1998
Magnetic toner and process for producing magnetic toner
CANON KK25 citations92
US5547796AAug 20, 1996
Developer containing insulating magnetic toner flowability-improving agent and inorganic fine powder
CANON KK39 citations92
US5447813ASep 5, 1995
Toner for developing electrostatic image and image forming method
CANON KK28 citations92
US5436701AJul 25, 1995
Image forming method, image forming apparatus and apparatus unit
CANON KK26 citations92
US5354637AOct 11, 1994
Magnetic toner
CANON KK20 citations92
US7700254B2Apr 20, 2010
Toner with specified amounts of the THF-soluble matter having certain intrinsic viscosity
CANON KK41 citations91
US5406357AApr 11, 1995
Developer for developing electrostatic image, image forming method, image forming apparatus and apparatus unit
CANON KK27 citations90
US10488777B2Nov 26, 2019
Toner
CANON KK7 citations84
US10228630B2Mar 12, 2019
Toner and method of producing toner
CANON KK11 citations84
US7897316B2Mar 1, 2011
Toner having hybrid binder resin with polyester unit and vinyl copolymer unit
CANON KK19 citations84
US5415967AMay 16, 1995
Process for producing toner
CANON KK12 citations74
KANEBO LTD
3 patentsUS5352518AOct 4, 1994
Composite elastic filament with rough surface, production thereof, and textile structure comprising the same
KANEBO LTD84 citations94
US5171633ADec 15, 1992
Elastic composite filament yarn and process for preparing the same
KANEBO LTD53 citations94
US5308697AMay 3, 1994
Potentially elastic conjugate fiber, production thereof, and production of fibrous structure with elasticity in expansion and contraction
KANEBO LTD61 citations93
WACOAL CORP
2 patentsTAKAHASHI TORU
2 patentsYAMAZAKI KATSUHISA
2 patentsYAMAMURA GLASS CO LTD
1 patentPIONEER ELECTRONIC CORP
1 patentPIONEER ELECTRIC CORP
1 patentMORIBE SHUHEI
1 patentMORIBE SYUHEI
1 patentShowing the top 50 of 61 patents by PatentIndex Score.