Rumi Sannomiya

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Kitakyushu-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Boron compound for organic electroluminescent elements, and organic...
- Patent number 9,716,238
- Issue date Jul 25, 2017
- Nippon Steel & Sumikin Chemical Co., Ltd.
- Rumi Sannomiya
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
BORON COMPOUND FOR ORGANIC ELECTROLUMINESCENT ELEMENTS, AND ORGANIC...
- Publication number 20160020397
- Publication date Jan 21, 2016
- Nippon Steel & Sumikin Chemical Co., Ltd.
- Rumi Sannomiya
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
COMPOUND FOR ORGANIC ELECTROLUMINESCENT ELEMENTS, AND ORGANIC ELECT...
- Publication number 20150218191
- Publication date Aug 6, 2015
- NIPPON STEEL & SUMIKIN CHEMICAL CO., LTD.
- Rumi Sannomiya
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
ORGANIC ELECTROLUMINESCENT ELEMENT
- Publication number 20150041785
- Publication date Feb 12, 2015
- NIPPON STEEL & SUMIKIN CHEMICAL CO., LTD.
- Rumi Sannomiya
- H01 - BASIC ELECTRIC ELEMENTS