Atsushi Kitagawa

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Light diffusing sheet, optical element and image display
- Patent number 7,271,862
- Issue date Sep 18, 2007
- Nitto Denko Corporation
- Takuya Matsunaga
- G02 - OPTICS
Information Patent Grant
Antireflection film, its production method, optical device, and ima...
- Patent number 7,037,573
- Issue date May 2, 2006
- Nitto Denko Corporation
- Minoru Miyatake
- G02 - OPTICS
Information Patent Grant
Liquid crystal display wide viewing angle polarizing film and liqui...
- Patent number 6,888,592
- Issue date May 3, 2005
- Nitto Denko Corporation
- Atsushi Kitagawa
- G02 - OPTICS
Information Patent Grant
Polarizing plate having protective films with plasticizer, liquid c...
- Patent number 6,882,385
- Issue date Apr 19, 2005
- Nitto Denko Corporation
- Seiichi Kusumoto
- G02 - OPTICS
Information Patent Grant
Polarizing plate and liquid crystal display using the same
- Patent number 6,847,419
- Issue date Jan 25, 2005
- Nitto Denko Corporation
- Seiichi Kusumoto
- G02 - OPTICS
Information Patent Grant
Optical diffusion sheet, optical element, and viewing display
- Patent number 6,741,307
- Issue date May 25, 2004
- Nitto Denko Corporation
- Takuya Matsunaga
- G02 - OPTICS
Information Patent Grant
Wide viewing angle polarizing plate and liquid crystal display
- Patent number 6,404,469
- Issue date Jun 11, 2002
- Nitto Denko Corporation
- Atsushi Kitagawa
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Antireflection film, its production method, optical device, and ima...
- Publication number 20050163977
- Publication date Jul 28, 2005
- Minoru Miyatake
- G02 - OPTICS
Information Patent Application
Light diffusing sheet, optical element and image display
- Publication number 20050128379
- Publication date Jun 16, 2005
- Takuya Matsunaga
- G02 - OPTICS
Information Patent Application
Polarizing plate and liquid crystal display using the same
- Publication number 20040137224
- Publication date Jul 15, 2004
- Nitto Denko Corporation
- Seiichi Kusumoto
- G02 - OPTICS
Information Patent Application
Optical diffusion sheet, optical element, and viewing display
- Publication number 20030123151
- Publication date Jul 3, 2003
- Takuya Matsunaga
- G02 - OPTICS
Information Patent Application
Polarizing plate and liquid crystal display using the same
- Publication number 20030001989
- Publication date Jan 2, 2003
- Seiichi Kusumoto
- G02 - OPTICS
Information Patent Application
Liquid crystal display wide viewing angle polarizing film and liqui...
- Publication number 20020140882
- Publication date Oct 3, 2002
- Atsushi Kitagawa
- G02 - OPTICS
Information Patent Application
Wide viewing angle polarizing plate and liquid crystal display
- Publication number 20020054262
- Publication date May 9, 2002
- Atsushi Kitagawa
- G02 - OPTICS