Inventor · disambiguated record
Katsunori Watanabe
Also filed as: WATANABE KATSUNORI
18 granted patents·289 citations·filing 1980–1994
95Inventor score
Top patents by PatentIndex Score
18 records- 0190US4390611AElectrophotographic photosensitive azo pigment containing membersISHIKAWA SHOZO·Filed 1981·Granted Jun 28, 1983·41 cites·72 claims
- 0288US4554231AElectrophotographic photosensitive memberCANON KK·Filed 1983·Granted Nov 19, 1985·31 cites·18 claims
- 0387US4471040AElectrophotographic disazo photosensitive memberCANON KK·Filed 1981·Granted Sep 11, 1984·29 cites·171 claims
- 0485US4716091AElectrophotographic member with silicone graft copolymer in surface layerCANON KK·Filed 1986·Granted Dec 29, 1987·26 cites·12 claims
- 0583US4423129AElectrophotographic member having layer containing methylidenyl hydrazone compoundCANON KK·Filed 1981·Granted Dec 27, 1983·25 cites·39 claims
- 0679US4487824AElectrophotographic photosensitive member containing a halogen substituted hydrazoneCANON KK·Filed 1983·Granted Dec 11, 1984·20 cites·25 claims
- 0773US4500619AElectrophotographic photosensitive member with oxadiazole containing disazo compoundCOPYER CO·Filed 1984·Granted Feb 19, 1985·9 cites·11 claims
- 0867US4399206ADisazo electrophotographic photosensitive memberCANON KK·Filed 1981·Granted Aug 16, 1983·13 cites·41 claims
- 0965US4413045AMultilayer electrophotographic photosensitive member comprises disazo charge generator layer, hydrazone transport layerCANON KK·Filed 1982·Granted Nov 1, 1983·7 cites·7 claims
- 1064US4555069AYarn winding apparatus and methodMURATA MACHINERY LTD·Filed 1982·Granted Nov 26, 1985·16 cites·11 claims
- 1162US4359513AElectrophotographic light-sensitive disazo compounds having diphenylacrylonitrile groupCOPYER CO·Filed 1981·Granted Nov 16, 1982·11 cites·12 claims
- 1261US4359515ADisazo electrophotographic light-sensitive mediaCOPYER CO·Filed 1981·Granted Nov 16, 1982·11 cites·16 claims
- 1357US5589202AApparatus for molding polyurethane foamTOYODA GOSEI KK·Filed 1994·Granted Dec 31, 1996·18 cites·6 claims
- 1449US5464582AMethod for molding polyurethane foam under subatmospheric pressuresTOYODA GOSEI KK·Filed 1994·Granted Nov 7, 1995·13 cites·10 claims
- 1548US4418133ADisazo photoconductive material and electrophotographic photosensitive member having disazo pigment layerCANON KK·Filed 1982·Granted Nov 29, 1983·6 cites·26 claims
- 1643US4419428AElectrophotographic light-sensitive media having a dis-azo compoundCOPYER CO·Filed 1981·Granted Dec 6, 1983·5 cites·14 claims
- 1743US4356243AElectrophotographic media with benzoxazole group containing dis-azo compoundCOPYER CO·Filed 1981·Granted Oct 26, 1982·5 cites·16 claims
- 1836US4485159ALaminate type electrophotographic light-sensitive materialCOPYER CO·Filed 1980·Granted Nov 27, 1984·3 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →