Shigeru Sawanishi

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Okayama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of producing acrylic fibers
- Patent number 4,818,458
- Issue date Apr 4, 1989
- Japan Exlan Company Limited
- Akira Sugiura
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Water-absorbing acrylic fibers
- Patent number 4,562,114
- Issue date Dec 31, 1985
- Japan Exlan Company Limited
- Shigeru Sawanishi
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Process for producing acrylic fibers having non-circular cross-sect...
- Patent number 4,510,111
- Issue date Apr 9, 1985
- Japan Exlan Company Limited
- Shigeru Sawanishi
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Process for producing acrylic fibers with excellent surface smoothness
- Patent number 4,448,740
- Issue date May 15, 1984
- Japan Exlan Company Limited
- Shigeru Sawanishi
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Process for producing carbon fiber tows
- Patent number 4,378,343
- Issue date Mar 29, 1983
- Sumitomo Chemical Co., Ltd.
- Akira Sugiura
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING