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Akio Morimoto
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Tokyo, JP
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last 30 patents
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Patent Grant
Optical information recording medium
Patent number
4,839,208
Issue date
Jun 13, 1989
NEC Corporation
Katsuji Nakagawa
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Patent number
4,775,568
Issue date
Oct 4, 1988
NEC Corporation
Masaki Itoh
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Patent number
4,763,139
Issue date
Aug 9, 1988
NEC Corporation
Masaki Itoh
G11 - INFORMATION STORAGE