Atsushi Sumida

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Patents Grantslast 30 patents

Information Patent Grant
Sizing agent for carbon fiber and carbon fiber treated with said si...
- Patent number 5,298,576
- Issue date Mar 29, 1994
- Toray Industries, Inc.
- Atsushi Sumida
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Carbon fiber and process for preparing same
- Patent number 4,555,446
- Issue date Nov 26, 1985
- Toray Industries, Incorporated
- Atsushi Sumida
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Process for producing carbon fiber
- Patent number 4,552,743
- Issue date Nov 12, 1985
- Toray Industries, Inc.
- Hajime Torigata
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Method of producing carbon fibers
- Patent number 4,517,169
- Issue date May 14, 1985
- Toray Industries, Inc.
- Atsushi Sumida
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Continuous carbon filament fiber bundles
- Patent number 4,496,671
- Issue date Jan 29, 1985
- Toray Industries, Inc.
- Minoru Yoshinaga
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Process for producing carbon fiber of improved oxidation resistance
- Patent number 4,349,523
- Issue date Sep 14, 1982
- Toray Industries, Inc.
- Toru Hiramatsu
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING