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last 30 patents
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Patent Grant
Organic optical recording medium and method for the prevention of r...
Patent number
5,645,907
Issue date
Jul 8, 1997
Cheil Synthetics, Inc.
Jung Hoi Kim
G11 - INFORMATION STORAGE
Information
Patent Grant
Organic optical recording medium and method for the prevention of r...
Patent number
5,503,957
Issue date
Apr 2, 1996
Cheil Synthetics Inc.
Jung H. Kim
G11 - INFORMATION STORAGE