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Akio Tsumura
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Osaka, JP
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last 30 patents
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Patent Grant
Apparatus and method for continuously measuring polarizing property
Patent number
4,684,256
Issue date
Aug 4, 1987
Nitto Electric Industrial Co., Ltd.
Akio Tsumura
G01 - MEASURING TESTING
Information
Patent Grant
Peeling type developing apparatus
Patent number
4,631,110
Issue date
Dec 23, 1986
Nitto Electric Industrial Co., Ltd.
Akio Tsumura
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Polyester film for forming printed circuit
Patent number
4,569,885
Issue date
Feb 11, 1986
Nitto Electric Industrial Company, Limited
Katsuhiko Yamaguchi
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR