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Yukio Yamashita
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Nagoya, JP
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last 30 patents
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Patent Grant
Method of producing an air cushion and an apparatus for the same
Patent number
5,824,392
Issue date
Oct 20, 1998
Idemitsu Petrochemical Co., Ltd.
Shuichi Gotoh
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL