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Yoshiaki Yawata
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Takasago, JP
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last 30 patents
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Patent Grant
Expansion-molded articles of an olefin synthetic resin and manufact...
Patent number
5,763,023
Issue date
Jun 9, 1998
Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
Kiyoshi Matsuki
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Patent Grant
Method of making olefin synthetic resin expansion molded articles
Patent number
5,372,764
Issue date
Dec 13, 1994
Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
Kiyoshi Matsuka
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL