Yoshikazu TANAKA

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Sodegaura-shi, Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Light-emitting device
- Patent number 11,730,052
- Issue date Aug 15, 2023
- Idemitsu Kosan Co., Ltd.
- Toshinari Ogiwara
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Light-emitting device, electronic equipment, and method for produci...
- Patent number 9,258,866
- Issue date Feb 9, 2016
- Idemitsu Kosan Co., Ltd.
- Chishio Hosokawa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Composite organic electroluminescent material and production method...
- Patent number 8,425,801
- Issue date Apr 23, 2013
- Idemitsu Kosan Co., Ltd.
- Hidehiro Matsunami
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
LIGHT-EMITTING DEVICE
- Publication number 20160028025
- Publication date Jan 28, 2016
- Idemitsu Kosan Co., Ltd.
- Toshinari OGIWARA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT-EMITTING DEVICE, ELECTRONIC EQUIPMENT, AND METHOD FOR PRODUCI...
- Publication number 20150208480
- Publication date Jul 23, 2015
- Idemitsu Kosan Co., Ltd.
- Chishio Hosokawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
COMPOSITE ORGANIC ELECTROLUMINESCENT MATERIAL
- Publication number 20110175031
- Publication date Jul 21, 2011
- IDEMITSU KOSAN CO., LTD.
- Hidehiro Matsunami
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
COMPOSITE ORGANIC ELECTROLUMINESCENT MATERIAL AND PRODUCTION METHOD...
- Publication number 20100258767
- Publication date Oct 14, 2010
- Idemitsu Kosan Co., Ltd.
- Hidehiro MATSUNAMI
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR