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Heiroku Suganuma
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Shiga, JP
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last 30 patents
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Patent Grant
Cladding material for optical fiber and method for its manufacture
Patent number
5,153,288
Issue date
Oct 6, 1992
Toray Industries, Inc.
Tadayo Matsunaga
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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
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Patent Grant
Flame-proof fiber product
Patent number
4,794,037
Issue date
Dec 27, 1988
Toray Industries Incorporated
Yoshinori Hosoda
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...