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Toshitsura Cho
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Kawasaki City, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Electrode for electrolysis and method for producing aqueous solutio...
Patent number
8,206,573
Issue date
Jun 26, 2012
Tama Chemicals Co., Ltd.
Yoshiro Ohta
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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
Apparatus and process for supplying abrasives for use in the manufa...
Patent number
6,315,644
Issue date
Nov 13, 2001
Tama Chemicals Co., Ltd.
Toshitsura Cho
B24 - GRINDING POLISHING
Information
Patent Grant
Process for recovering organoalkoxysilane from polyorganosiloxane
Patent number
5,783,609
Issue date
Jul 21, 1998
Tama Chemicals Co., Ltd.
Tsurahide Cho
C07 - ORGANIC CHEMISTRY
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
Process for preparing dialkyl carbonates
Patent number
5,534,649
Issue date
Jul 9, 1996
Tama Chemicals Co., Ltd.
Tsurahide Cho
C07 - ORGANIC CHEMISTRY
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 for producing high purity chemicals
Patent number
4,892,625
Issue date
Jan 9, 1990
Tama Chemicals Co., Ltd.
Shumpei Shimizu
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method of producing granular synthetic silica
Patent number
4,806,329
Issue date
Feb 21, 1989
Tama Chemicals Co., Ltd.
Toshitsura Cho
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method for production of aqueous quaternary ammonium hydroxide solu...
Patent number
4,634,509
Issue date
Jan 6, 1987
Tama Chemical Co., Ltd.
Shumpei Shimizu
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR PURIFYING ALKALINE TREATMENT FLUID FOR SEMICONDUCTOR SUB...
Publication number
20130174868
Publication date
Jul 11, 2013
UMS CO., LTD.
Hisashi Muraoka
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Electrode for Electrolysis and Method for Producing Aqueous Solutio...
Publication number
20080035491
Publication date
Feb 14, 2008
TAMA CHEMICALS CO., LTD.
Yoshiro Ohta
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
Abrasive slurry having high dispersion stability and manufacturing...
Publication number
20070094936
Publication date
May 3, 2007
TAMA CHEMICALS CO., LTD.
Toshitsura Cho
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Abrasive slurry having high dispersion stability and manufacturing...
Publication number
20040221516
Publication date
Nov 11, 2004
Toshitsura Cho
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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...