Ryo Naraoka

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Sodegaura-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Organic electroluminescent element and electronic instrument
- Patent number 9,774,003
- Issue date Sep 26, 2017
- Idemitsu Kosan Co., Ltd.
- Ryo Naraoka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Organic electroluminescence device
- Patent number 9,368,731
- Issue date Jun 14, 2016
- Idemitsu Kosan Co., Ltd.
- Hiroyuki Saito
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Organic electroluminescent element and lighting device
- Patent number 9,184,414
- Issue date Nov 10, 2015
- Idemitsu Kosan Co., Ltd.
- Ryo Naraoka
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Organic electroluminescence element
- Patent number 9,095,033
- Issue date Jul 28, 2015
- Idemitsu Kosan Co., Ltd.
- Ryo Naraoka
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Photoelectric conversion device
- Patent number 8,742,526
- Issue date Jun 3, 2014
- Idemitsu Kosan Co., Ltd.
- Hiroyuki Iwabuchi
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Patents Applicationslast 30 patents

Information Patent Application
ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC INSTRUMENT
- Publication number 20150236300
- Publication date Aug 20, 2015
- Idemitsu Kosan Co., Ltd.
- Ryo Naraoka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ORGANIC ELECTROLUMINESCENCE DEVICE
- Publication number 20140034942
- Publication date Feb 6, 2014
- IDEMITSU KOSAN CO., LTD.
- Hiroyuki Saito
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ORGANIC ELECTROLUMINESCENCE DEVICE
- Publication number 20140001448
- Publication date Jan 2, 2014
- IDEMITSU KOSAN CO., LTD.
- Ryo NARAOKA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ORGANIC ELECTROLUMINESCENT ELEMENT AND LIGHTING DEVICE
- Publication number 20120286258
- Publication date Nov 15, 2012
- Idemitsu Kosan Co., Ltd.
- Ryo Naraoka
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
ORGANIC ELECTROLUMINESCENCE ELEMENT
- Publication number 20120138918
- Publication date Jun 7, 2012
- Idemitsu Kosan Co., Ltd.
- Ryo Naraoka
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
PHOTOELECTRIC CONVERSION DEVICE
- Publication number 20120126356
- Publication date May 24, 2012
- Idemitsu Kosan Co., Ltd.
- Hiroyuki Iwabuchi
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...