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Yuji Natori
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Shizuoka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Toner, developer, container containing toner, process, cartridge, i...
Patent number
7,250,240
Issue date
Jul 31, 2007
Ricoh Company, Ltd.
Hachiroh Tosaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Intermediate transferring belt and process for producing the same,...
Patent number
7,142,800
Issue date
Nov 28, 2006
Ricoh Company, Ltd.
Yuji Natori
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Black toner, image forming method and image forming apparatus using...
Patent number
7,090,955
Issue date
Aug 15, 2006
Ricoh Company, Ltd.
Hachiro Tosaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Black toner, image forming method and image forming apparatus using...
Patent number
6,969,574
Issue date
Nov 29, 2005
Ricoh Company, Ltd.
Hachiro Tosaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
Black toner, image forming method and image forming apparatus using...
Publication number
20050238981
Publication date
Oct 27, 2005
Hachiro Tosaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Intermediate transferring belt and process for producing the same,...
Publication number
20050118361
Publication date
Jun 2, 2005
Yuji Natori
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Toner, developer, container containing toner, process cartridge, im...
Publication number
20050014081
Publication date
Jan 20, 2005
Hachiroh Tosaka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY