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Yoshikazu Nagata
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Ibaraki-ken, JP
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last 30 patents
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Patent Grant
Carbon fibers for reinforcement of cement and cement composite mate...
Patent number
5,855,663
Issue date
Jan 5, 1999
Petoca, Ltd.
Katsumi Takano
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Carbon fibers for reinforcement of cement and cement composite mate...
Patent number
5,686,181
Issue date
Nov 11, 1997
Petoca, Ltd.
Katsumi Takano
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Carbon fiber rovings for reinforcement of concrete
Patent number
5,652,058
Issue date
Jul 29, 1997
Petoca, Ltd.
Yoshikazu Nagata
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Carbon fibers and non-woven fabrics
Patent number
5,536,486
Issue date
Jul 16, 1996
Petoca Ltd.
Yoshikazu Nagata
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Flexible materials for reflecting electromagnetic wave
Patent number
5,035,942
Issue date
Jul 30, 1991
Petoca Ltd.
Yoshikazu Nagata
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS