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Mayumi YOSHIHARA
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Kanagawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Image forming apparatus
Patent number
9,864,322
Issue date
Jan 9, 2018
Ricoh Company, Ltd.
Mayumi Yoshihara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Residual voltage reducing processing cartridge, image forming appar...
Patent number
9,201,334
Issue date
Dec 1, 2015
Ricoh Company, Ltd.
Masahide Yamashita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus, image bearing member, and method of manufa...
Patent number
8,351,823
Issue date
Jan 8, 2013
Ricoh Company, Ltd.
Shinji Nohsho
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic photorecptor, method of manufacturing electroph...
Patent number
8,293,439
Issue date
Oct 23, 2012
Ricoh Company, Ltd.
Yukio Fujiwara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20160363886
Publication date
Dec 15, 2016
Mayumi YOSHIHARA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
SURFACE PROCESSOR AND METHOD FOR PROCESSING A SURFACE OF A PLASTIC...
Publication number
20160313676
Publication date
Oct 27, 2016
Masahide YAMASHITA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
SURFACE PROCESSOR AND ELECTROPHOTOGRAPHIC APPARATUS
Publication number
20160033920
Publication date
Feb 4, 2016
Masahide YAMASHITA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
PROCESSING CARTRIDGE, IMAGE FORMING APPARATUS WITH SAME, AND IMAGE...
Publication number
20150071662
Publication date
Mar 12, 2015
RICOH COMPANY, LTD.
Masahide YAMASHITA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS, IMAGE BEARING MEMBER, AND METHOD OF MANUFA...
Publication number
20100329741
Publication date
Dec 30, 2010
Shinji NOHSHO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Electrophotographic Photorecptor, Method Of Manufacturing Electroph...
Publication number
20100232831
Publication date
Sep 16, 2010
RICOH COMPANY, LTD.
Yukio Fujiwara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY