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Yoshitaka Koide
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Tokyo, JP
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last 30 patents
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Patent Grant
Surface-treated magnesium or magnesium alloy, and surface treatment...
Patent number
4,770,946
Issue date
Sep 13, 1988
Nippon Telegraph & Telephone Corporation
Goro Yamauchi
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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Patent Grant
Ultrasonic inspecting apparatus
Patent number
4,571,999
Issue date
Feb 25, 1986
Nippon Telegraph & Telephone Public Corporation
Kishio Arita
G01 - MEASURING TESTING