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Fumio Yamazaki
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Kanagawa, JP
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last 30 patents
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Patent Grant
Ultrasonic welding method and apparatus for molded resin materials
Patent number
5,487,802
Issue date
Jan 30, 1996
Fuji Photo Film Co., Ltd.
Akira Mizuta
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL