Takaya Ishiyama

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Patents Grantslast 30 patents

Information Patent Grant
Nitrogen-containing aromatic compounds and organic electroluminesce...
- Patent number 9,543,526
- Issue date Jan 10, 2017
- Nippon Steel & Sumikin Chemical Co., Ltd.
- Takaya Ishiyama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Organic electroluminescent element
- Patent number 9,343,685
- Issue date May 17, 2016
- Nippon Steel & Sumikin Chemical Co., Ltd.
- Takahiro Kai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polymer light-emitting material, method for producing the same, and...
- Patent number 9,290,692
- Issue date Mar 22, 2016
- Nippon Steel & Sumikin Chemical Co., Ltd.
- Hiroshige Tanaka
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Polymer for organic electroluminescent element, and organic electro...
- Patent number 8,945,726
- Issue date Feb 3, 2015
- Nippon Steel & Sumikin Chemical Co., Ltd.
- Hiroshige Tanaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
NITROGEN-CONTAINING AROMATIC COMPOUNDS AND ORGANIC ELECTROLUMINESCE...
- Publication number 20140001458
- Publication date Jan 2, 2014
- Takaya Ishiyama
- C07 - ORGANIC CHEMISTRY
Information Patent Application
ORGANIC ELECTROLUMINESCENT ELEMENT
- Publication number 20130207097
- Publication date Aug 15, 2013
- NIPPON STEEL & SUMIKIN CHEMICAL CO., LTD.
- Takahiro Kai
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
POLYMER FOR ORGANIC ELECTROLUMINESCENT ELEMENT, AND ORGANIC ELECTRO...
- Publication number 20120313513
- Publication date Dec 13, 2012
- Hiroshige Tanaka
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
POLYMER LIGHT-EMITTING MATERIAL, METOHO FOR PRODUCING THE SAME, AND...
- Publication number 20110309342
- Publication date Dec 22, 2011
- Hiroshige Tanaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...