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Yasuhiko Yoshioka
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Tokyo, JP
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last 30 patents
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Patent Grant
Architectural material using metal oxide exhibiting photocatalytic...
Patent number
5,643,436
Issue date
Jul 1, 1997
Takenaka Corporation
Takatoshi Ogawa
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Architectural material using metal oxide exhibiting photocatalytic...
Patent number
5,595,813
Issue date
Jan 21, 1997
Takenaka Corporation
Takatoshi Ogawa
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Admixture and cement composition using same
Patent number
5,122,191
Issue date
Jun 16, 1992
Takenaka Corporation
Masahiro Morozumi
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Suppression of pressure water absorption of lightweight aggregate b...
Patent number
4,956,403
Issue date
Sep 11, 1990
Takenaka Komuten Co., Ltd.
Toshio Yonezawa
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Concrete composition for underwater use
Patent number
4,743,301
Issue date
May 10, 1988
Takenaka Komuten Co., Ltd.
Koichi Ito
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Cement composition for laying underwater
Patent number
4,508,572
Issue date
Apr 2, 1985
Takenaka Komuten Co., Ltd.
Masaharu Sakuta
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Water-inseparable concrete composition
Patent number
4,487,633
Issue date
Dec 11, 1984
Takenaka Komuten Co., Ltd.
Masaharu Sakuta
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES