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Hisaaki Kobayashi
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Otsu, JP
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last 30 patents
Information
Patent Grant
Sound absorbing structure
Patent number
8,474,574
Issue date
Jul 2, 2013
Inoac Corporation
Hisaaki Kobayashi
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Wideband plastic-clad optical fiber
Patent number
6,222,972
Issue date
Apr 24, 2001
Toray Industries, Inc.
Tetsuya Yamamoto
G02 - OPTICS
Information
Patent Grant
Broad bandwidth optical fibers, jacketed optical fibers and optical...
Patent number
5,644,670
Issue date
Jul 1, 1997
Toray Industries, Inc.
Seiji Fukuda
G02 - OPTICS
Information
Patent Grant
Heat resisting plastic optical fiber and method for its manufacture
Patent number
4,810,055
Issue date
Mar 7, 1989
Toray Industries, Inc.
Heiroku Suganuma
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING