Rei Okamura

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Tsukuba-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Light emitting device and composition used for this light emitting...
- Patent number 10,497,885
- Issue date Dec 3, 2019
- Sumitomo Chemical Company, Limited
- Toshiaki Sasada
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Metal complex, polymer compound and device containing those
- Patent number 8,608,986
- Issue date Dec 17, 2013
- Sumitomo Chemical Company, Limited
- Nobuhiko Akino
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polymeric compound containing metal complex residue and element com...
- Patent number 8,592,544
- Issue date Nov 26, 2013
- Sumitomo Chemical Company, Limited
- Nobuhiko Akino
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
LIGHT EMITTING DEVICE AND COMPOSITION USED FOR THIS LIGHT EMITTING...
- Publication number 20180123056
- Publication date May 3, 2018
- Sumitomo Chemical Company, Limited
- Toshiaki SASADA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
METAL COMPLEX, POLYMER COMPOUND AND DEVICE USING THE SAME
- Publication number 20120205585
- Publication date Aug 16, 2012
- SUMITOMO CHEMICAL COMPANY, LIMITED
- Rei Okamura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYMERIC COMPOUND CONTAINING METAL COMPLEX RESIDUE AND ELEMENT COM...
- Publication number 20110124808
- Publication date May 26, 2011
- SUMITOMO CHEMICAL COMPANY, LIMITED
- Nobuhiko Akino
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METAL COMPLEX, LIGHT-EMITTING MATERIAL, AND LIGHT-EMITTING DEVICE
- Publication number 20100264812
- Publication date Oct 21, 2010
- SUMITOMO CHEMICAL COMPANY, LIMITED
- Nobuhiko Akino
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METAL COMPLEX, POLYMER COMPOUND AND DEVICE CONTAINING THOSE
- Publication number 20100019669
- Publication date Jan 28, 2010
- Nobuhiko Akino
- C07 - ORGANIC CHEMISTRY