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Masatoshi Nakashima
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Saitama, JP
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Patents Grants
last 30 patents
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Patent Grant
Special polycarbonate polarizing eyewear
Patent number
9,709,702
Issue date
Jul 18, 2017
Mitsubishi Gas Chemical Company, Inc.
Takuya Gotou
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Patents Applications
last 30 patents
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Patent Application
SPECIAL POLYCARBONATE POLARIZING EYEWEAR
Publication number
20150205011
Publication date
Jul 23, 2015
Mitsubishi Gas Chemical Company, Inc.
Takuya Gotou
G02 - OPTICS