Hiroko Izukashi

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Cement admixture and production method thereof
- Patent number 7,662,884
- Issue date Feb 16, 2010
- Nippon Shokubai Co., Ltd.
- Tsutomu Yuasa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polycarboxylic acid copolymer, production method and use thereof
- Patent number 7,405,264
- Issue date Jul 29, 2008
- Nippon Shokubai Co., Ltd.
- Tsutomu Yuasa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polycarboxylic acid copolymer, production method and use thereof
- Patent number 6,864,337
- Issue date Mar 8, 2005
- Nippon Shokubai Co., Ltd.
- Tsutomu Yuasa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Polycarboxylic acid copolymer, production method and use thereof
- Publication number 20050131110
- Publication date Jun 16, 2005
- Nippon Shokubai Co., Ltd.
- Tsutomu Yuasa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Cement admixture and production method thereof
- Publication number 20040260011
- Publication date Dec 23, 2004
- Tsutomu Yuasa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Polycarboxylic acid copolymer, production method and use thereof
- Publication number 20020193547
- Publication date Dec 19, 2002
- Tsutomu Yuasa
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES