Katsuhiro Ishikawa

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for preventing formation of scale
- Patent number 6,656,365
- Issue date Dec 2, 2003
- Kurita Water Industries Ltd.
- Takashi Suzuki
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Cleaning agent for semiconductor parts and method for cleaning semi...
- Patent number 6,440,856
- Issue date Aug 27, 2002
- JSR Corporation
- Keiichi Bessho
- B08 - CLEANING
Information Patent Grant
Water-treating agent and method for treating water
- Patent number 6,001,264
- Issue date Dec 14, 1999
- Kurita Water Industries Ltd.
- Takashi Suzuki
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Water-treating agent and method for treating water
- Patent number 5,716,529
- Issue date Feb 10, 1998
- Kurita Water Industries Ltd.
- Takashi Suzuki
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Butadienesulfonic acid or isoprenesulfonic acid copolymer
- Patent number 5,350,820
- Issue date Sep 27, 1994
- Japan Synthetic Rubber Co., Ltd.
- Hisao Ono
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Homopolymers of sulfonated isoprene and 1,3-butadiene and agents co...
- Patent number 5,182,343
- Issue date Jan 26, 1993
- Japan Synthetic Rubber Co., Ltd.
- Hisao Ono
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
Process for preventing formation of scale
- Publication number 20020195583
- Publication date Dec 26, 2002
- KURITA WATER INDUSTRIES LTD.
- Takashi Suzuki
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE