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Kozaburo Hayashi
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Kanuma, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Solvent-free photocurable resin composition for protective film
Patent number
8,168,690
Issue date
May 1, 2012
Sony Chemical & Information Device Corp.
Kiichiro Oguni
G11 - INFORMATION STORAGE
Information
Patent Grant
Compositions for protective films for optical discs
Patent number
7,744,979
Issue date
Jun 29, 2010
Sony Corporation
Kiichiro Oguni
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Material for optical waveguide, and optical waveguide and method fo...
Patent number
6,611,651
Issue date
Aug 26, 2003
Sony Corporation
Tsuyoshi Ogawa
G02 - OPTICS
Information
Patent Grant
Epoxy resin composition and optical information recording medium us...
Patent number
6,447,867
Issue date
Sep 10, 2002
Sony Chemicals Corporation
Hiraku Kominami
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Optical recording medium
Patent number
6,395,365
Issue date
May 28, 2002
Sony Chemicals Corp.
Kozaburo Hayashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical recording media comprising a resin film
Patent number
6,309,794
Issue date
Oct 30, 2001
Sony Chemicals Corporation
Kozaburo Hayashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical recording medium
Patent number
6,278,683
Issue date
Aug 21, 2001
Sony Chemicals Corp.
Kozaburo Hayashi
G11 - INFORMATION STORAGE
Information
Patent Grant
Compositions for protective films and optical recording media
Patent number
6,171,673
Issue date
Jan 9, 2001
Sony Chemicals Corp.
Mieko Tanaka
G11 - INFORMATION STORAGE
Information
Patent Grant
Cationically polymerizable epoxy resins and optical information rec...
Patent number
6,121,339
Issue date
Sep 19, 2000
Sony Chemicals Corporation
Hiraku Kominami
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
Solvent-Free Photocurable Resin Composition for Protective Film
Publication number
20080153937
Publication date
Jun 26, 2008
SONY CHEMICAL & INFORMATION DEVICE CORP.
Kiichiro Oguni
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Compositions for protective films for optical discs
Publication number
20060228516
Publication date
Oct 12, 2006
Sony Chemicals Corp.
Kiichiro Oguni
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...