Inventor
TANAKA HISAMI
26 patents
⚠️ This page may combine multiple inventors who share the name “TANAKA HISAMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
19 patentsUS5089851AFeb 18, 1992
Charging member
CANON KK70 citations95
US5008706AApr 16, 1991
Electrophotographic apparatus
CANON KK67 citations95
US5677095AOct 14, 1997
Electrophotographic photosensitive member
CANON KK34 citations92
US5344501ASep 6, 1994
Solar cell
CANON KK22 citations92
US5112708AMay 12, 1992
Member for charging with surface layer of n-alkoxymethylated nylon effecting charging at lower voltage
CANON KK28 citations92
US4948690AAug 14, 1990
Electrophotographic photosensitive member with fine spherical resin powder
CANON KK34 citations92
US5220181AJun 15, 1993
Photovoltaic element of junction type with an organic semiconductor layer formed of a polysilane compound
CANON KK50 citations91
US5358987AOct 25, 1994
Polysilane compositions
CANON KK22 citations86
US5354385AOct 11, 1994
Solar cell
CANON KK14 citations74
US5332635AJul 26, 1994
Electrophotographic photosensitive member, and electrophotographic apparatus, device unit, and facsimile machine employing the same
CANON KK17 citations74
US5190837AMar 2, 1993
Image holder member having resin layer of metal-coated fine resin particles and binder resin
CANON KK11 citations74
US5484673AJan 16, 1996
Electrophotographic photosensitive member
CANON KK7 citations73
US4877701AOct 31, 1989
Photosensitive member for electrophotography
CANON KK15 citations72
US5707726AJan 13, 1998
Aluminum pipe production process, electrophotographic photosensitive member produced by the production process, and electrophotographic apparatus having the electrophotographic photosensitive member
CANON KK5 citations70
US5236798AAug 17, 1993
Electrophotographic light receiving member having a photoconductive layer formed of non-single crystal silicon material and a surface layer containing polysilane compound
CANON KK5 citations63
US4975745ADec 4, 1990
Electrophotographic photosensitive member
CANON KK4 citations63
US5159042AOct 27, 1992
Polysilane compounds and electrophotographic photosensitive members with the use of said compounds
CANON KK3 citations61
US5669047ASep 16, 1997
Charging member, electrophotographic apparatus and charging method using the same
CANON KK6 citations60
US5595848AJan 21, 1997
Electrophotographic photosensitive member produced from aluminum pipe
CANON KK2 citations59
FUJITSU LTD
5 patentsUS4417158ANov 22, 1983
Clock generator circuit
FUJITSU LTD50 citations93
US4429281AJan 31, 1984
Integrator for a switched capacitor-filter
FUJITSU LTD31 citations92
US4393318AJul 12, 1983
Sample and hold circuit
FUJITSU LTD24 citations81
US4431973AFeb 14, 1984
Operational amplifier
FUJITSU LTD2 citations61
US4337459AJun 29, 1982
Digital-to-analog converter
FUJITSU LTD4 citations57