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Hiroyuki OKUMA
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Saitama, JP
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last 30 patents
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Patent Grant
Twin-screw extruder, gear box and method for extrusion
Patent number
11,618,199
Issue date
Apr 4, 2023
THE JAPAN STEEL WORKS, LTD.
Kazutoshi Izumiya
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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last 30 patents
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Patent Application
TWIN-SCREW EXTRUDER, GEAR BOX AND METHOD FOR EXTRUSION
Publication number
20200398474
Publication date
Dec 24, 2020
THE JAPAN STEEL WORKS, LTD
Kazutoshi IZUMIYA
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL