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Masatoshi Yoshida
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Mishima, JP
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last 30 patents
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Patent Grant
Process for production of activated carbon fibers
Patent number
4,285,831
Issue date
Aug 25, 1981
Toho Beslon Co., Ltd.
Masatoshi Yoshida
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Process for production of activated carbon fibers
Patent number
4,256,607
Issue date
Mar 17, 1981
Toho Beslon Co., Ltd.
Masatoshi Yoshida
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING