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Takamichi Ohhashi
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Yokohama-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Molded plastic part, method for molding plastic part, and optical s...
Patent number
8,824,035
Issue date
Sep 2, 2014
Ricoh Company, Limited
Takamichi Ohhashi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Plastic article, method of shaping plastic article, and optical sca...
Patent number
8,749,863
Issue date
Jun 10, 2014
Ricoh Company, Ltd.
Takamichi Ohhashi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Plastic optical element, optical scanning device, and image forming...
Patent number
8,457,530
Issue date
Jun 4, 2013
Ricoh Company, Ltd.
Eiichi Hayashi
G02 - OPTICS
Information
Patent Grant
Optical scanning apparatus, image forming apparatus, and scanning-l...
Patent number
8,089,674
Issue date
Jan 3, 2012
Ricoh Company, Limited
Eiichi Hayashi
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Plastic optical element, optical scanning device, and image forming...
Patent number
8,004,554
Issue date
Aug 23, 2011
Ricoh Company, Ltd.
Go Takahashi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
INJECTION MOLD, OPTICAL COMPONENT, OPTICAL SCANNING DEVICE, AND IMA...
Publication number
20140253995
Publication date
Sep 11, 2014
RICOH COMPANY, LTD.
Takamichi OHHASHI
G02 - OPTICS
Information
Patent Application
RESIN CASTING MOLD, MOLDED RESIN PRODUCT, OPTICAL ELEMENT, OPTICAL...
Publication number
20120063811
Publication date
Mar 15, 2012
Takamichi Ohhashi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
PLASTIC ARTICLE, METHOD OF SHAPING PLASTIC ARTICLE, AND OPTICAL SCA...
Publication number
20120013964
Publication date
Jan 19, 2012
Takamichi Ohhashi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
MOLDED PLASTIC PART, METHOD FOR MOLDING PLASTIC PART, AND OPTICAL S...
Publication number
20110164295
Publication date
Jul 7, 2011
Takamichi OHHASHI
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
PLASTIC OPTICAL ELEMENT, OPTICAL SCANNING DEVICE, AND IMAGE FORMING...
Publication number
20110058853
Publication date
Mar 10, 2011
RICOH COMPANY, LTD.
Eiichi Hayashi
G02 - OPTICS
Information
Patent Application
PLASTIC OPTICAL ELEMENT, OPTICAL SCANNING DEVICE, AND IMAGE FORMING...
Publication number
20100054809
Publication date
Mar 4, 2010
Go Takahashi
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
OPTICAL SCANNING APPARATUS, IMAGE FORMING APPARATUS, AND SCANNING-L...
Publication number
20070216983
Publication date
Sep 20, 2007
Eiichi HAYASHI
H04 - ELECTRIC COMMUNICATION TECHNIQUE