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Tateki Yamakawa
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Okayama, JP
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Patents Grants
last 30 patents
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Patent Grant
Composite fiber
Patent number
6,811,874
Issue date
Nov 2, 2004
Kuraray Co., Ltd.
Kazuhiko Tanaka
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Process of making hollow fibers and treating fibers
Patent number
6,635,204
Issue date
Oct 21, 2003
Kuraray Co., Ltd.
Kazuhiko Tanaka
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Hollow fibers and manufacturing method of hollow fibers
Patent number
6,455,156
Issue date
Sep 24, 2002
Kuraray Co., Ltd.
Kazuhiko Tanaka
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Patents Applications
last 30 patents
Information
Patent Application
Composite fiber
Publication number
20040038028
Publication date
Feb 26, 2004
Kazuhiko Tanaka
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Application
Hollow fibers and manufacturing method of hollow fibers
Publication number
20020150756
Publication date
Oct 17, 2002
Kuraray Co. Ltd.
Kazuhiko Tanaka
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Application
Hollow fibers and manufacturing method of hollow fibers
Publication number
20010053646
Publication date
Dec 20, 2001
KURARAY CO., LTD.
Kazuhiko Tanaka
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING