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Kazuo Maehara
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Yokohama, JP
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last 30 patents
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Patent Grant
Friction welding apparatus
Patent number
4,247,346
Issue date
Jan 27, 1981
Asahi Kasei Kogyo Kabushiki Kaisha
Kazuo Maehara
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Patent Grant
Hot-runner mold and injection molding method making use of the same
Patent number
4,212,624
Issue date
Jul 15, 1980
Asahi Kasei Kogyo Kabushiki Kaisha
Nobuo Ando
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL