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Tadashi Sakurai
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Chiba, JP
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last 30 patents
Information
Patent Grant
Indicator
Patent number
6,814,909
Issue date
Nov 9, 2004
Sumitomo Chemical Company, Limited
Tadashi Sakurai
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Resin composition having active compound and vaporizable plasticize...
Patent number
5,948,832
Issue date
Sep 7, 1999
Sumitomo Chemical Company, Limited
Tatsuhiro Nagamatsu
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Polypropylene resin composition, polypropylene resin foamed materia...
Patent number
5,616,627
Issue date
Apr 1, 1997
Sumitomo Chemical Company, Limited
Tadashi Sakurai
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Antimicrobial substance and antimicrobial resin composition contain...
Patent number
5,208,016
Issue date
May 4, 1993
Sumitomo Chemical Co., Ltd.
Tadayuki Ohmae
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Conjugate fibers and nonwoven molding thereof
Patent number
5,009,951
Issue date
Apr 23, 1991
Sumitomo Chemical Co., Ltd.
Tadayuki Ohmae
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information
Patent Grant
Aqueous dispersion of cationic polymer
Patent number
4,997,895
Issue date
Mar 5, 1991
Sumitomo Chemical Company, Limited
Tadayuki Ohmae
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Aqueous dispersion of cationic polymer
Patent number
4,980,238
Issue date
Dec 25, 1990
Sumitomo Chemical Company, Ltd.
Tadayuki Ohmae
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Electrically conductive plastic moldings and process for producing...
Patent number
4,957,660
Issue date
Sep 18, 1990
Sumitomo Chemical Company, Limited
Tadayuki Ohmae
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information
Patent Grant
Aqueous dispersion of cationic polymer
Patent number
4,919,757
Issue date
Apr 24, 1990
Sumitomo Chemical Company, Limited
Tadayuki Ohmae
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Lead accumulator
Patent number
4,859,710
Issue date
Aug 22, 1989
Sumitomo Chemical Co., Limited
Tadayuki Ohmae
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information
Patent Grant
Conjugate fibers and nonwoven molding thereof
Patent number
4,840,847
Issue date
Jun 20, 1989
Sumitomo Chemical Company, Limited
Tadayuki Ohmae
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information
Patent Grant
Novel ethylene copolymer and process for producing said copolymer
Patent number
4,831,095
Issue date
May 16, 1989
Sumitomo Chemical Company, Limited
Tadayuki Ohmae
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...