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Nobuhiko Toyoda
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Otake, JP
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last 30 patents
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Patent Grant
Distributed graded index type optical transmission plastic article...
Patent number
5,390,274
Issue date
Feb 14, 1995
Mitsubishi Rayon Company Ltd.
Nobuhiko Toyoda
G02 - OPTICS
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Patent Grant
Graded index type plastic optical transmission mediums and the manu...
Patent number
5,287,222
Issue date
Feb 15, 1994
Mitsubishi Rayon Co., Ltd.
Yoshihiro Uozu
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Patent Grant
Distributed refractive index type optical transmission plastic arti...
Patent number
5,175,786
Issue date
Dec 29, 1992
Mitsubishi Rayon Company Ltd.
Nobuhiko Toyoda
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL