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Yuichiro Kunai
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Niihama-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Stretched film, polarizing stretched film, method for producing the...
Patent number
9,151,983
Issue date
Oct 6, 2015
Sumitomo Chemical Company, Limited
Yuichiro Kunai
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Production method of layered film, production method of polarizing...
Patent number
9,128,247
Issue date
Sep 8, 2015
Sumitomo Chemical Company, Limited
Yuichiro Kunai
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Method of manufacturing polarizing plate
Patent number
9,039,860
Issue date
May 26, 2015
Sumitomo Chemical Company, Limited
Yuichiro Kunai
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
PRODUCTION METHOD OF LAYERED FILM, PRODUCTION METHOD OF POLARIZING...
Publication number
20130220525
Publication date
Aug 29, 2013
Sumitomo Chemical Company, Limited
Yuichiro Kunai
G02 - OPTICS
Information
Patent Application
METHOD OF MANUFACTURING POLARIZING PLATE
Publication number
20130192747
Publication date
Aug 1, 2013
Sumitomo Chemical Company, Limited
Yuichiro Kunai
G02 - OPTICS
Information
Patent Application
STRETCHED FILM, POLARIZING STRETCHED FILM, METHOD FOR PRODUCING THE...
Publication number
20130070186
Publication date
Mar 21, 2013
Sumitomo Chemical Company, Limited
Yuichiro Kunai
B32 - LAYERED PRODUCTS
Information
Patent Application
COMPOSITE RETARDATION PLATE, METHOD FOR PRODUCTION THEREOF, COMPOSI...
Publication number
20100118240
Publication date
May 13, 2010
Yuichiro Kunai
G02 - OPTICS
Information
Patent Application
POLARIZING PLATE, METHOD FOR MANUFACTURING THE POLARIZING PLATE, LA...
Publication number
20090115945
Publication date
May 7, 2009
SUMITOMO CHEMICAL COMPANY, LIMITED
Yuuhei Inokuchi
G02 - OPTICS
Information
Patent Application
COMPOSITE POLARIZING PLATE AND LIQUID CRYSTAL DISPLAY USING THE SAME
Publication number
20090066888
Publication date
Mar 12, 2009
SUMITOMO CHEMICAL COMPANY, LIMITED
Yuichiro Kunai
G02 - OPTICS
Information
Patent Application
COMPOSITE RETARDATION PLATE, ITS PRODUCTION METHOD, COMPOSITE OPTIC...
Publication number
20090021677
Publication date
Jan 22, 2009
SUMITOMO CHEMICAL COMPANY, LIMITED
Norimasa Nakagawa
G02 - OPTICS
Information
Patent Application
Manufacturing method for coating liquid for plate with coating havi...
Publication number
20070178238
Publication date
Aug 2, 2007
Sumitomo Chemical Company, Limited
Kenji Yamada
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Polarizing plate with adhesive and liquid crystal display
Publication number
20060227263
Publication date
Oct 12, 2006
Sumitomo Chemical Company, Limited
Yuichiro Kunai
G02 - OPTICS
Information
Patent Application
Phase retarder, a laminate polarizing plate a method for producing...
Publication number
20060007375
Publication date
Jan 12, 2006
Sumitomo Chemical Company, Limited
Tohru Nagashima
G02 - OPTICS