Inventor
TOKUTAKE SHIGEAKI
JP20 patents
⚠️ This page may combine multiple inventors who share the name “TOKUTAKE SHIGEAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KONICA MINOLTA BUSINESS TECH
10 patentsUS6933090B2Aug 23, 2005
Photosensitive member for electrophotography
KONICA MINOLTA BUSINESS TECH14 citations84
US7459256B2Dec 2, 2008
Image forming method and image forming apparatus
KONICA MINOLTA BUSINESS TECH2 citations63
US7625683B2Dec 1, 2009
Image forming method, a processing cartridge and an image forming method using the same
KONICA MINOLTA BUSINESS TECH2 citations62
US7529504B2May 5, 2009
Organic photoconductor, process cartridge and image forming apparatus both employing the same
KONICA MINOLTA BUSINESS TECH3 citations62
US7378212B2May 27, 2008
Image forming method, photoreceptor
KONICA MINOLTA BUSINESS TECH6 citations62
US7560209B2Jul 14, 2009
Electrophotographic image forming apparatus and image forming unit
KONICA MINOLTA BUSINESS TECH6 citations60
US7541125B2Jun 2, 2009
Organic photoconductor, manufacturing method thereof, and process cartridge and image formation apparatus using the same photoconductor
KONICA MINOLTA BUSINESS TECH0 citations52
US8036577B2Oct 11, 2011
Image forming method and image forming apparatus
KONICA MINOLTA BUSINESS TECH1 citations50
US7466326B2Dec 16, 2008
Image forming method and image forming apparatus
KONICA MINOLTA BUSINESS TECH0 citations50
US7531282B2May 12, 2009
Organic photoreceptor, image forming apparatus, image forming method and process cartridge
KONICA MINOLTA BUSINESS TECH0 citations37
MINOLTA CO LTD
5 patentsUS6120955ASep 19, 2000
Substrate for photosensitive member, photosensitive member, production method thereof and image forming apparatus using the photosensitive member
MINOLTA CO LTD31 citations89
US7041419B2May 9, 2006
Organic photoreceptor unit
MINOLTA CO LTD13 citations83
US6365309B1Apr 2, 2002
Photosensitive member for electrophotography with specic surface protective layer
MINOLTA CO LTD15 citations81
US6280896B1Aug 28, 2001
Photosensitive member for electrophotography
MINOLTA CO LTD2 citations60
US6368764B2Apr 9, 2002
Photosensitive member for electrophotography
MINOLTA CO LTD1 citations49
MINOLTA CAMERA KK
4 patentsUS5380613AJan 10, 1995
Photosensitive member comprising electronattracting compound and hindered phenol compound
MINOLTA CAMERA KK23 citations92
US5395715AMar 7, 1995
Photosensitive member having photosensitive layer which comprises amino compound as charge transporting material
MINOLTA CAMERA KK9 citations73
US5166019ANov 24, 1992
Photosensitive member comprising specified distyryl compound as charge transporting material
MINOLTA CAMERA KK8 citations73
US5294510AMar 15, 1994
Photosensitive member containing specific coumarin fluorescent bleaching agent
MINOLTA CAMERA KK12 citations72