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Akihiro Kosaka
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Osaka, JP
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Patents Grants
last 30 patents
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Patent Grant
Phthalocyanine compound, process for preparing the same, and optica...
Patent number
7,332,261
Issue date
Feb 19, 2008
Ciba Specialty Chemicals Corporation
Kazuhiro Seino
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
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Patent Application
Phthalocyanine compound, process for producing the same, and optica...
Publication number
20050201265
Publication date
Sep 15, 2005
Mitsui Chemicals, Inc.
Kazuhiro Seino
G11 - INFORMATION STORAGE