Heiroku Suganuma

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Patents Grantslast 30 patents

Information 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
Information 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...