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Hideki Dohi
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Nagano, JP
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last 30 patents
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Patent Grant
Optical recording disk
Patent number
5,419,939
Issue date
May 30, 1995
TDK Corporation
Hiroyuki Arioka
G11 - INFORMATION STORAGE
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Patent Grant
Optical recording medium and method for making
Patent number
5,252,370
Issue date
Oct 12, 1993
TDK Corporation
Junji Tominaga
G11 - INFORMATION STORAGE