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Katsuya Tani
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Shiga-gun, JP
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last 30 patents
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Patent Grant
Process for preparing polybenzazole filaments and fiber
Patent number
5,756,031
Issue date
May 26, 1998
Toyobo Co., Ltd.
Katsuya Tani
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Process for the preparation of polybenzazole staple fiber
Patent number
5,585,052
Issue date
Dec 17, 1996
The Dow Chemical Company
Chieh-Chun Chau
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Process for coagulation and washing of polybenzazole fibers
Patent number
5,393,478
Issue date
Feb 28, 1995
The Dow Chemical Company
Ashish Sen
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Rapid heat-treatment method for polybenzaole fiber
Patent number
5,288,445
Issue date
Feb 22, 1994
The Dow Chemical Company
Katsuya Tani
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Process for production of polyester polyurethane elastomeric fibers
Patent number
4,963,310
Issue date
Oct 16, 1990
Toyo Boseki Kabushiki Kaisha
Hideyuki Mitamura
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Polymeric antioxidant and process for production thereof
Patent number
4,824,929
Issue date
Apr 25, 1989
Toyo Boseki Kabushiki Kaisha
Yoshikazu Arimatsu
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyurethane composition improved in dyeing property
Patent number
4,499,221
Issue date
Feb 12, 1985
Toyo Boseki Kabushiki Kaisha
Minoru Saitoh
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the production of polyester fiber
Patent number
4,105,740
Issue date
Aug 8, 1978
Toyo Boseki Kabushiki Kaisha
Hiroshi Yasuda
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING