Shumpei Shimizu

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Kawasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
COPPER-BASED METAL POLISHING COMPOSITION, METHOD FOR MANUFACTURING...
- Patent number 6,861,010
- Issue date Mar 1, 2005
- Kabushiki Kaisha Toshiba
- Hideaki Hirabayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
COPPER-BASED METAL POLISHING COMPOSITION, METHOD FOR MANUFACTURING...
- Patent number 6,426,294
- Issue date Jul 30, 2002
- Kabushiki Kaisha Toshiba
- Hideaki Hirabayashi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Method of processing organic quaternary ammonium hydroxide-containi...
- Patent number 5,545,309
- Issue date Aug 13, 1996
- Tama Chemicals Co., Ltd.
- Shumpei Shimizu
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method of processing organic quaternary ammonium hydroxide-containi...
- Patent number 5,439,564
- Issue date Aug 8, 1995
- Tama Chemicals Co. Ltd.
- Shumpei Shimizu
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method of manufacturing tetramethyl ammonium hydroxide
- Patent number 4,572,769
- Issue date Feb 25, 1986
- Tama Chemicals Co., Ltd.
- Shumpei Shimizu
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR

Patents Applicationslast 30 patents

Information Patent Application
Copper-based metal polishing composition, method for manufacturing...
- Publication number 20020160608
- Publication date Oct 31, 2002
- KABUSHIKI KAISHA TOSHIBA
- Hideaki Hirabayashi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...