Kohei Arakawa

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for producing retardation film
- Patent number 10,261,227
- Issue date Apr 16, 2019
- Zeon Corporation
- Taku Hatano
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Protective film for polarizing plate
- Patent number 9,897,849
- Issue date Feb 20, 2018
- Zeon Corporation
- Masanori Yoshihara
- G02 - OPTICS
Information Patent Grant
Optical laminate, optical element and liquid crystal display device
- Patent number 9,488,866
- Issue date Nov 8, 2016
- Zeon Corporation
- Shunsuke Yamanaka
- G02 - OPTICS
Information Patent Grant
Method for producing retardation film
- Patent number 9,050,763
- Issue date Jun 9, 2015
- Zeon Corporation
- Taku Hatano
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Liquid crystal display device
- Patent number 8,223,304
- Issue date Jul 17, 2012
- Zeon Corporation
- Motohiro Itadani
- G02 - OPTICS
Information Patent Grant
Protective film for polarizing plate
- Patent number 8,202,610
- Issue date Jun 19, 2012
- Zeon Corporation
- Masanori Yoshihara
- G02 - OPTICS
Information Patent Grant
Liquid crystal display device
- Patent number 8,134,666
- Issue date Mar 13, 2012
- Zeon Corporation
- Motohiro Itadani
- G02 - OPTICS
Information Patent Grant
Protective film for polarizing plate
- Patent number 7,998,563
- Issue date Aug 16, 2011
- Zeon Corporation
- Masanori Yoshihara
- G02 - OPTICS
Information Patent Grant
Optical laminate, optical element and liquid crystal display device
- Patent number 7,964,254
- Issue date Jun 21, 2011
- Zeon Corporation
- Shunsuke Yamanaka
- G02 - OPTICS
Information Patent Grant
Liquid crystal display device
- Patent number 7,964,251
- Issue date Jun 21, 2011
- Panasonic Electric Works Co., Ltd.
- Takeyuki Yamaki
- G02 - OPTICS
Information Patent Grant
Apparatus and method for producing aligned carbon-nanotube aggregates
- Patent number 7,897,209
- Issue date Mar 1, 2011
- Zeon Corporation
- Akiyoshi Shibuya
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Grid polarizing film, method for producing the film, optical lamina...
- Patent number 7,872,803
- Issue date Jan 18, 2011
- Zeon Corporation
- Mitsugu Uejima
- G02 - OPTICS
Information Patent Grant
In-plane switching mode liquid crystal display device having a biax...
- Patent number 7,692,747
- Issue date Apr 6, 2010
- Zeon Corporation
- Motohiro Itadani
- G02 - OPTICS
Information Patent Grant
Liquid crystal display device
- Patent number 7,667,793
- Issue date Feb 23, 2010
- Zeon Corporation
- Motohiro Itadani
- G02 - OPTICS
Information Patent Grant
Optical laminate film and method for producing same
- Patent number 7,638,205
- Issue date Dec 29, 2009
- Zeon Corporation
- Kohei Arakawa
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Liquid crystal display device
- Patent number 7,639,330
- Issue date Dec 29, 2009
- Zeon Corporation
- Motohiro Itadani
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Optical laminate
- Patent number 7,354,632
- Issue date Apr 8, 2008
- Zeon Corporation
- Toshihide Murakami
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Optical multilayer film, polarizing plate and optical product
- Patent number 7,285,323
- Issue date Oct 23, 2007
- Zeon Corporation
- Atsushi Sone
- G02 - OPTICS
Information Patent Grant
Quarter wave plate comprising two optically anisotropic layers
- Patent number 6,853,423
- Issue date Feb 8, 2005
- Fuji Photo Film Co., Ltd.
- Kohei Arakawa
- G02 - OPTICS
Information Patent Grant
RETARDATION PLATE AND FABRICATION METHOD THEREOF, AND PLATE FOR CIR...
- Patent number 6,812,983
- Issue date Nov 2, 2004
- Fuji Photo Film Co., Ltd.
- Kohei Arakawa
- G02 - OPTICS
Information Patent Grant
Polarizing element
- Patent number 6,778,237
- Issue date Aug 17, 2004
- Fuji Photo Film Co., Ltd.
- Kohei Arakawa
- G02 - OPTICS
Information Patent Grant
Collimator utilizing wavelength selective reflection and backlight...
- Patent number 6,667,794
- Issue date Dec 23, 2003
- Fuji Photo Film Co., Ltd.
- Kohei Arakawa
- G02 - OPTICS
Information Patent Grant
Quarter wave plate comprising two optically anisotropic layers
- Patent number 6,593,984
- Issue date Jul 15, 2003
- Fuji Photo Film Co., Ltd.
- Kohei Arakawa
- G02 - OPTICS
Information Patent Grant
Phase retarder comprising two optically anisotropic layers
- Patent number 6,519,016
- Issue date Feb 11, 2003
- Fuji Photo Film Co., Ltd.
- Mitsuyoshi Ichihashi
- G02 - OPTICS
Information Patent Grant
Liquid crystal display comprising liquid crystal cell, linearly pol...
- Patent number 6,519,017
- Issue date Feb 11, 2003
- Fuji Photo Film Co., Ltd.
- Mitsuyoshi Ichihashi
- G02 - OPTICS
Information Patent Grant
Circularly polarizing plate comprising linearly polarizing membrane...
- Patent number 6,400,433
- Issue date Jun 4, 2002
- Fuji Photo Film Co., Ltd.
- Kohei Arakawa
- G02 - OPTICS
Information Patent Grant
Norbornene based resin composition and phase difference plate
- Patent number 6,346,578
- Issue date Feb 12, 2002
- Fuji Photo Film Co., Ltd.
- Kohei Arakawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Negative uniaxial anisotropic element and method for manufacturing...
- Patent number 5,699,136
- Issue date Dec 16, 1997
- Fuji Photo Film Co., Ltd.
- Kohei Arakawa
- G02 - OPTICS
Information Patent Grant
Liquid crystal display
- Patent number 5,646,703
- Issue date Jul 8, 1997
- Fuji Photo Film Co., Ltd.
- Koh Kamada
- G02 - OPTICS
Information Patent Grant
Liquid crystal display device having negative uniaxial anisotropic...
- Patent number 5,528,400
- Issue date Jun 18, 1996
- Fuji Photo Film Co., Ltd.
- Kohei Arakawa
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
HEAT CONDUCTIVE SHEET AND METHOD OF MANUFACTURING THE SAME
- Publication number 20180194122
- Publication date Jul 12, 2018
- ZEON CORPORATION
- Takurou KUMAMOTO
- B32 - LAYERED PRODUCTS
Information Patent Application
METHOD FOR PRODUCING RETARDATION FILM
- Publication number 20150234107
- Publication date Aug 20, 2015
- Zeon Corporation
- Taku HATANO
- G02 - OPTICS
Information Patent Application
LIQUID CRYSTAL DISPLAY DEVICE
- Publication number 20120133866
- Publication date May 31, 2012
- Motohiro Itadani
- G02 - OPTICS
Information Patent Application
PROTECTIVE FILM FOR POLARIZING PLATE
- Publication number 20110261298
- Publication date Oct 27, 2011
- Masanori YOSHIHARA
- G02 - OPTICS
Information Patent Application
APPARATUS AND METHOD FOR PRODUCING ALIGNED CARBON-NANOTUBE AGGREGATES
- Publication number 20110116995
- Publication date May 19, 2011
- Akiyoshi Shibuya
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
OPTICAL LAMINATE, OPTICAL ELEMENT AND LIQUID CRYSTAL DISPLAY DEVICE
- Publication number 20110069257
- Publication date Mar 24, 2011
- Shunsuke YAMANAKA
- G02 - OPTICS
Information Patent Application
APPARATUS AND METHOD FOR PRODUCING ALIGNED CARBON-NANOTUBE AGGREGATES
- Publication number 20100196600
- Publication date Aug 5, 2010
- Akiyoshi Shibuya
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Optical Element, Polarizing Plate, Retardation Plate, Illuminating...
- Publication number 20100134724
- Publication date Jun 3, 2010
- Zeon Corporation
- Kohei Arakawa
- G02 - OPTICS
Information Patent Application
LIQUID CRYSTAL DISPLAY DEVICE
- Publication number 20100007822
- Publication date Jan 14, 2010
- Motohiro Itadani
- G02 - OPTICS
Information Patent Application
OPTICAL FILM
- Publication number 20090317592
- Publication date Dec 24, 2009
- Yasumasa Yoshitomi
- G02 - OPTICS
Information Patent Application
METHOD FOR PRODUCING RETARDATION FILM
- Publication number 20090214869
- Publication date Aug 27, 2009
- Zeon Corporation
- Taku Hatano
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Grid polarizing film, method for producing the film, optical lamina...
- Publication number 20090128904
- Publication date May 21, 2009
- Zeon Corporation
- Mitsugu Uejima
- G02 - OPTICS
Information Patent Application
Liquid crystal display device
- Publication number 20090103012
- Publication date Apr 23, 2009
- Motohiro Itadani
- G02 - OPTICS
Information Patent Application
Protective Film for Polarizing Plate
- Publication number 20090086320
- Publication date Apr 2, 2009
- Zeon Corporation
- Masanori Yoshihara
- G02 - OPTICS
Information Patent Application
Liquid Crystal Display Unit
- Publication number 20080316404
- Publication date Dec 25, 2008
- MATSUSHITA ELECTRIC WORKS, LTD.
- Takeyuki Yamaki
- G02 - OPTICS
Information Patent Application
Liquid Crystal Display Device
- Publication number 20080094326
- Publication date Apr 24, 2008
- MATSUSHITA ELECTRIC WORKS, LTD.
- Takeyuki Yamaki
- G02 - OPTICS
Information Patent Application
Optical Laminated Film for Liquid Crystal Display Device
- Publication number 20080075895
- Publication date Mar 27, 2008
- MATSUSHITA ELECTRIC WORKS, LTD.
- Takeyuki Yamaki
- G02 - OPTICS
Information Patent Application
Polarizing Plate Protective Film, Reflection Preventive Polarizing...
- Publication number 20070287009
- Publication date Dec 13, 2007
- Zeon Corporation
- Shuhei Okude
- G02 - OPTICS
Information Patent Application
Light Diffusion Plate And Process For Producing The Plate
- Publication number 20070200263
- Publication date Aug 30, 2007
- Satoshi Tazaki
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Optical laminate, optical element and liquid crystal display decive
- Publication number 20070172606
- Publication date Jul 26, 2007
- Yamanaka Shunsuke
- G02 - OPTICS
Information Patent Application
Liquid crystal display device
- Publication number 20070091228
- Publication date Apr 26, 2007
- Motohiro Itadani
- G02 - OPTICS
Information Patent Application
Liquid crystal display device
- Publication number 20070064177
- Publication date Mar 22, 2007
- Motohiro Itadani
- G02 - OPTICS
Information Patent Application
Optical multilayer film, polarizing plate and optical product
- Publication number 20060164740
- Publication date Jul 27, 2006
- Atsushi Sone
- G02 - OPTICS
Information Patent Application
Optical laminate polarization light source device and liquid crysta...
- Publication number 20060078692
- Publication date Apr 13, 2006
- Zeon Corporation
- Toshihide Murakami
- G02 - OPTICS
Information Patent Application
Optical laminate film and method for producing same
- Publication number 20060040106
- Publication date Feb 23, 2006
- Kohei Arakawa
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Optical laminate
- Publication number 20050249890
- Publication date Nov 10, 2005
- Zeon Corporation
- Toshihide Murakami
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Quarter wave plate comprising two optically anisotropic layers
- Publication number 20030214625
- Publication date Nov 20, 2003
- Kohei Arakawa
- G02 - OPTICS
Information Patent Application
Quarter wave plate comprising two optically anisotropic layers
- Publication number 20020159005
- Publication date Oct 31, 2002
- Kohei Arakawa
- G02 - OPTICS
Information Patent Application
Display substrate
- Publication number 20020135728
- Publication date Sep 26, 2002
- Fuji Photo Film Co., Ltd.
- Sumitaka Tatsuta
- G02 - OPTICS
Information Patent Application
Collimator and backlight system
- Publication number 20020036735
- Publication date Mar 28, 2002
- FUFI PHOTO FILM CO., LTD.
- Kohei Arakawa
- G02 - OPTICS

Kohei Arakawa

Person

Patents Grantslast 30 patents

Method for producing retardation film

Protective film for polarizing plate

Optical laminate, optical element and liquid crystal display device

Method for producing retardation film

Liquid crystal display device

Protective film for polarizing plate

Liquid crystal display device

Protective film for polarizing plate

Optical laminate, optical element and liquid crystal display device

Liquid crystal display device

Apparatus and method for producing aligned carbon-nanotube aggregates

Grid polarizing film, method for producing the film, optical lamina...

In-plane switching mode liquid crystal display device having a biax...

Liquid crystal display device

Optical laminate film and method for producing same

Liquid crystal display device

Optical laminate

Optical multilayer film, polarizing plate and optical product

Quarter wave plate comprising two optically anisotropic layers

RETARDATION PLATE AND FABRICATION METHOD THEREOF, AND PLATE FOR CIR...

Polarizing element

Collimator utilizing wavelength selective reflection and backlight...

Quarter wave plate comprising two optically anisotropic layers

Phase retarder comprising two optically anisotropic layers

Liquid crystal display comprising liquid crystal cell, linearly pol...

Circularly polarizing plate comprising linearly polarizing membrane...

Norbornene based resin composition and phase difference plate

Negative uniaxial anisotropic element and method for manufacturing...

Liquid crystal display

Liquid crystal display device having negative uniaxial anisotropic...

Patents Applicationslast 30 patents

HEAT CONDUCTIVE SHEET AND METHOD OF MANUFACTURING THE SAME

METHOD FOR PRODUCING RETARDATION FILM

LIQUID CRYSTAL DISPLAY DEVICE

PROTECTIVE FILM FOR POLARIZING PLATE

APPARATUS AND METHOD FOR PRODUCING ALIGNED CARBON-NANOTUBE AGGREGATES

OPTICAL LAMINATE, OPTICAL ELEMENT AND LIQUID CRYSTAL DISPLAY DEVICE

APPARATUS AND METHOD FOR PRODUCING ALIGNED CARBON-NANOTUBE AGGREGATES

Optical Element, Polarizing Plate, Retardation Plate, Illuminating...

LIQUID CRYSTAL DISPLAY DEVICE

OPTICAL FILM

METHOD FOR PRODUCING RETARDATION FILM

Grid polarizing film, method for producing the film, optical lamina...

Liquid crystal display device

Protective Film for Polarizing Plate

Liquid Crystal Display Unit

Liquid Crystal Display Device

Optical Laminated Film for Liquid Crystal Display Device

Polarizing Plate Protective Film, Reflection Preventive Polarizing...

Light Diffusion Plate And Process For Producing The Plate

Optical laminate, optical element and liquid crystal display decive

Liquid crystal display device

Liquid crystal display device

Optical multilayer film, polarizing plate and optical product

Optical laminate polarization light source device and liquid crysta...

Optical laminate film and method for producing same

Optical laminate

Quarter wave plate comprising two optically anisotropic layers

Quarter wave plate comprising two optically anisotropic layers

Display substrate

Collimator and backlight system