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Abiko-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Salt, acid generator, resist composition and method for producing r...
Patent number
11,505,524
Issue date
Nov 22, 2022
Sumitomo Chemical Company, Limited
Katsuhiro Komuro
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Organic electroluminescence device
Patent number
8,871,359
Issue date
Oct 28, 2014
Sumitomo Chemical Company, Limited
Yasunori Uetani
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Polymer compound and polymer light-emitting device using the same
Patent number
8,519,092
Issue date
Aug 27, 2013
Sumitomo Chemical Company, Limited
Makoto Kitano
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Polymer compound and polymer light-emitting device using the same
Patent number
8,263,735
Issue date
Sep 11, 2012
Sumitomo Chemical Company, Limited
Makoto Kitano
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Polymer compound and polymer light emitting device using the same
Patent number
8,153,276
Issue date
Apr 10, 2012
Sumitomo Chemical Company, Limited
Jun Oguma
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymer compound and polymer light-emitting device using the same
Patent number
7,772,360
Issue date
Aug 10, 2010
Sumitomo Chemical Company, Limited
Makoto Kitano
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymer compound and polymer light emitting device using the same
Patent number
7,208,567
Issue date
Apr 24, 2007
Sumitomo Chemical Company, Limited
Jun Oguma
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for preparing sulfone or sulfoxide compound
Patent number
6,916,938
Issue date
Jul 12, 2005
Sumitomo Chemical Company, Limited
Jun Oguma
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polymer compound and polymer light-emitting device using the same
Patent number
6,830,832
Issue date
Dec 14, 2004
Sumitomo Chemical Company, Limited
Jun Oguma
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
Information
Patent Application
SALT, ACID GENERATOR, RESIST COMPOSITION AND METHOD FOR PRODUCING R...
Publication number
20220372012
Publication date
Nov 24, 2022
Sumitomo Chemical Company, Limited
Katsuhiro KOMURO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
SALT, ACID GENERATOR, RESIST COMPOSITION AND METHOD FOR PRODUCING R...
Publication number
20220291583
Publication date
Sep 15, 2022
Sumitomo Chemical Company, Limited
Katsuhiro KOMURO
C07 - ORGANIC CHEMISTRY
Information
Patent Application
SALT, ACID GENERATOR, RESIST COMPOSITION AND METHOD FOR PRODUCING R...
Publication number
20210371376
Publication date
Dec 2, 2021
Sumitomo Chemical Company, Limited
Katsuhiro KOMURO
C07 - ORGANIC CHEMISTRY
Information
Patent Application
POLYMER COMPOUND AND POLYMER LIGHT-EMITTING DEVICE USING THE SAME
Publication number
20120293749
Publication date
Nov 22, 2012
Sumitomo Chemical Company, Limited
Makoto Kitano
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYMER COMPOUND AND POLYMER LIGHT-EMITTING DEVICE USING THE SAME
Publication number
20100133997
Publication date
Jun 3, 2010
SUMITOMO CHEMICAL COMPANY, LIMITED
Makoto Kitano
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
POLYMER MATERIAL AND POLYMER LIGHT-EMITTING DEVICE USING SAME
Publication number
20090174326
Publication date
Jul 9, 2009
SUMITOMO CHEMICAL COMPANY, LIMITED
Miho Ishikawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Organic electroluminescence device
Publication number
20090015139
Publication date
Jan 15, 2009
SUMITOMO CHEMICAL., CO., LTD.
Yasunori Uetani
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Polymer Compound and Polymer Light-Emitting Device Using the Same
Publication number
20080233429
Publication date
Sep 25, 2008
Sumitomo Chemical Company, Limited
Jun Oguma
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Polymer compound and polymer light-emitting device using the same
Publication number
20040109955
Publication date
Jun 10, 2004
Sumitomo Chemical Company, Limited
Makoto Kitano
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Polymer compound and polymer light emitting device using the same
Publication number
20040002576
Publication date
Jan 1, 2004
Sumitomo Chemical Company, Limited
Jun Oguma
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Method for preparing sulfone or sulfoxide compound
Publication number
20030171589
Publication date
Sep 11, 2003
Sumitomo Chemical Company, Limited
Jun Oguma
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Polymer compound and polymer light-emitting device using the same
Publication number
20030165713
Publication date
Sep 4, 2003
Sumitomo Chemical Company, Limited
Jun Oguma
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...