Yoshikazu Umemoto

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Luminescent composition and light-emitting element using said compo...
- Patent number 9,617,468
- Issue date Apr 11, 2017
- Sumitomo Chemical Company, Limited
- Kohei Asada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Polymer having unit obtained by condensation of difluorocyclopentan...
- Patent number 8,114,956
- Issue date Feb 14, 2012
- Sumitomo Chemical Company, Limited
- Yutaka Ie
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polymer comprising unit comprising fluorocyclopentane ring fused wi...
- Patent number 7,932,347
- Issue date Apr 26, 2011
- Sumitomo Chemical Company, Limited
- Yutaka Ie
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
POLYMER COMPOUND AND LIGHT EMITTING DEVICE USING SAME
- Publication number 20140183414
- Publication date Jul 3, 2014
- SUMITOMO CHEMICAL COMPANY, LIMITED
- Yoshikazu Umemoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LUMINESCENT COMPOSITION AND LIGHT-EMITTING ELEMENT USING SAID COMPO...
- Publication number 20130001534
- Publication date Jan 3, 2013
- SUMITOMO CHEMICAL COMPANY, LIMITED
- Kohei Asada
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
POLYMER HAVING UNIT OBTAINED BY CONDENSATION OF DIFLUOROCYCLOPENTAN...
- Publication number 20100084640
- Publication date Apr 8, 2010
- SUMITOMO CHEMICAL COMPANY LIMITED
- Yutaka Ie
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Polymer Comprising Unit Comprising Fluorocyclopentane Ring Fused Wi...
- Publication number 20080302419
- Publication date Dec 11, 2008
- SUMITOMO CHEMICAL COMPANY, LIMITED
- Yutaka Ie
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...