Watanabe; Katsunori

Patent Applications and Registrations

Patent applications and USPTO patent grants for Watanabe; Katsunori.The latest application filed is for "electrophotographic member with silicone graft copolymer in surface layer".

Company Profile

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Watanabe; Katsunori - Yamato JP
Watanabe; Katsunori - Toride JP
Watanabe; Katsunori - Tokyo JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Electrophotographic member with silicone graft copolymer in surface layer Grant 4,716,091 - Yoshihara , et al. December 29, 1	1987-12-29
Electrophotographic photosensitive member with oxadiazole containing disazo compound Grant 4,500,619 - Ishikawa , et al. February 19, 1	1985-02-19
Electrophotographic photosensitive member containing a halogen substituted hydrazone Grant 4,487,824 - Katagiri , et al. December 11, 1	1984-12-11
Laminate type electrophotographic light-sensitive material Grant 4,485,159 - Watanabe , et al. November 27, 1	1984-11-27
Electrophotographic disazo photosensitive member Grant 4,471,040 - Katagiri , et al. September 11, 1	1984-09-11
Electrophotographic member having layer containing methylidenyl hydrazone compound Grant 4,423,129 - Takasu , et al. December 27, 1	1983-12-27
Electrophotographic light-sensitive disazo compounds having diphenylacrylonitrile group Grant 4,359,513 - Katagiri , et al. November 16, 1	1982-11-16
Disazo electrophotographic light-sensitive media Grant 4,359,515 - Katagiri , et al. November 16, 1	1982-11-16
Electrophotographic media with benzoxazole group containing dis-azo compound Grant 4,356,243 - Ishikawa , et al. October 26, 1	1982-10-26

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