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Hiroki NAGUMO
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Osaka, JP
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last 30 patents
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Patent Grant
Polyolefin micro porous film, separator film for power-storage devi...
Patent number
11,329,349
Issue date
May 10, 2022
Ube Industries, Ltd.
Ryo Sakimoto
B32 - LAYERED PRODUCTS
Patents Applications
last 30 patents
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Patent Application
FILM WOUND BODY
Publication number
20200119322
Publication date
Apr 16, 2020
Ube Industries, Ltd.
Hiroki NAGUMO
H01 - BASIC ELECTRIC ELEMENTS
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Patent Application
POLYOLEFIN MICRO POROUS FILM, SEPARATOR FILM FOR POWER-STORAGE DEVI...
Publication number
20180175353
Publication date
Jun 21, 2018
Ube Industries, Ltd.
Ryo SAKIMOTO
B32 - LAYERED PRODUCTS