Inventor
WATANABE KATSUNORI
JP18 patents
⚠️ This page may combine multiple inventors who share the name “WATANABE KATSUNORI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
8 patentsUS4716091ADec 29, 1987
Electrophotographic member with silicone graft copolymer in surface layer
CANON KK26 citations92
US4554231ANov 19, 1985
Electrophotographic photosensitive member
CANON KK31 citations92
US4471040ASep 11, 1984
Electrophotographic disazo photosensitive member
CANON KK29 citations92
US4487824ADec 11, 1984
Electrophotographic photosensitive member containing a halogen substituted hydrazone
CANON KK20 citations82
US4423129ADec 27, 1983
Electrophotographic member having layer containing methylidenyl hydrazone compound
CANON KK25 citations82
US4413045ANov 1, 1983
Multilayer electrophotographic photosensitive member comprises disazo charge generator layer, hydrazone transport layer
CANON KK7 citations74
US4399206AAug 16, 1983
Disazo electrophotographic photosensitive member
CANON KK13 citations74
US4418133ANov 29, 1983
Disazo photoconductive material and electrophotographic photosensitive member having disazo pigment layer
CANON KK6 citations73
COPYER CO
6 patentsUS4500619AFeb 19, 1985
Electrophotographic photosensitive member with oxadiazole containing disazo compound
COPYER CO9 citations74
US4359513ANov 16, 1982
Electrophotographic light-sensitive disazo compounds having diphenylacrylonitrile group
COPYER CO11 citations73
US4359515ANov 16, 1982
Disazo electrophotographic light-sensitive media
COPYER CO11 citations73
US4485159ANov 27, 1984
Laminate type electrophotographic light-sensitive material
COPYER CO3 citations62
US4419428ADec 6, 1983
Electrophotographic light-sensitive media having a dis-azo compound
COPYER CO5 citations62
US4356243AOct 26, 1982
Electrophotographic media with benzoxazole group containing dis-azo compound
COPYER CO5 citations62