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Tokyo, JP
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last 30 patents
Information
Patent Grant
Electrophotographic toner containing a zinc benzoate compound
Patent number
5,368,971
Issue date
Nov 29, 1994
Hodogaya Chemical Co., Ltd.
Mitsutoshi Anzai
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Electrophotographic toner and compounds useful for the toner
Patent number
4,780,553
Issue date
Oct 25, 1988
Hodogaya Chemical Co., Ltd.
Nobuo Suzuki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic toner containing metal complex charge control a...
Patent number
4,683,188
Issue date
Jul 28, 1987
Hodogaya Chemical Co., Ltd.
Nobuo Suzuki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Azo moiety containing metal complexes in toners
Patent number
4,563,409
Issue date
Jan 7, 1986
Hogohaya Chemical Co., Ltd.
Nobuo Suzuki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY