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Shinko Engineering Research Corp.
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
System for evaluating skills of to-be-examined person
Patent number
8,057,237
Issue date
Nov 15, 2011
Shinko Engineering Research Corp.
Takasi Kumagai
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Patent Grant
Shape detecting device
Patent number
4,484,080
Issue date
Nov 20, 1984
Shinko Engineering Research Corp.
Takashi Kumagai
G01 - MEASURING TESTING