Kouhei Arakawa

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Chiyoda-ku, JP

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Patents Grantslast 30 patents

Information Patent Grant
Deflecting plate and liquid crystal display device
- Patent number 9,134,472
- Issue date Sep 15, 2015
- Zeon Corporation
- Tetsuya Toyoshima
- B32 - LAYERED PRODUCTS
Information Patent Grant
Deflecting plate and liquid crystal display device
- Patent number 8,537,309
- Issue date Sep 17, 2013
- Zeon Corporation
- Tetsuya Toyoshima
- B32 - LAYERED PRODUCTS
Information Patent Grant
Polarizing plate, method for producing polarizing plate, and liquid...
- Patent number 8,363,183
- Issue date Jan 29, 2013
- Zeon Corporation
- Taku Hatano
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Polarization plate, liquid crystal display device and protective film
- Patent number 8,139,181
- Issue date Mar 20, 2012
- Zeon Corporation
- Masanori Yoshihara
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Antireflective film, polarizer plate and display
- Patent number 7,875,341
- Issue date Jan 25, 2011
- Zeon Corporation
- Tetsuya Toyoshima
- B32 - LAYERED PRODUCTS

Patents Applicationslast 30 patents

Information Patent Application
DEFLECTING PLATE AND LIQUID CRYSTAL DISPLAY DEVICE
- Publication number 20150346410
- Publication date Dec 3, 2015
- Zeon Corporation
- Tetsuya TOYOSHIMA
- G02 - OPTICS
Information Patent Application
DEFLECTING PLATE AND LIQUID CRYSTAL DISPLAY DEVICE
- Publication number 20130329170
- Publication date Dec 12, 2013
- Zeon Corporation
- Tetsuya Toyoshima
- B32 - LAYERED PRODUCTS
Information Patent Application
POLARIZING PLATE, METHOD FOR PRODUCING POLARIZING PLATE, AND LIQUID...
- Publication number 20100220267
- Publication date Sep 2, 2010
- Zeon Corporation
- Taku Hatano
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
POLARIZATION PLATE, LIQUID CRYSTAL DISPLAY DEVICE AND PROTECTIVE FILM
- Publication number 20090257003
- Publication date Oct 15, 2009
- Zeon Corporation
- Masanori Yoshihara
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Antireflective Film, Polarizer Plate And Display
- Publication number 20080032146
- Publication date Feb 7, 2008
- ZEON CORPORATION
- Tetsuya Toyoshima
- G02 - OPTICS
Information Patent Application
Deflecting Plate and Liquid Crystal Display Device
- Publication number 20070285777
- Publication date Dec 13, 2007
- ZEON CORPORATION
- Tetsuya Toyoshima
- G02 - OPTICS