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Mayumi Miyashita
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Kanagawa, JP
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last 30 patents
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Patent Grant
Method for recycling waste styrene resin
Patent number
6,500,872
Issue date
Dec 31, 2002
Sony Corporation
Tsutomu Noguchi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method and apparatus for recycling styrene resin
Patent number
6,169,121
Issue date
Jan 2, 2001
Sony Corporation
Tsutomu Noguchi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Magnetic recording medium
Patent number
5,998,009
Issue date
Dec 7, 1999
Sony Corporation
Kenichi Kurihara
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical information record medium
Patent number
5,993,971
Issue date
Nov 30, 1999
Sony Corporation
Keiichi Nito
G11 - INFORMATION STORAGE
Information
Patent Grant
Pulp molding
Patent number
5,360,825
Issue date
Nov 1, 1994
Sony Corporation
Tsutomu Noguchi
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Ferroelectric liquid crystal display device having monostabilized s...
Patent number
5,214,523
Issue date
May 25, 1993
Sony Corporation
Keiichi Nito
G02 - OPTICS