Hiroaki Koyama

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Thin film transistor, method of manufacturing the same, and image d...
- Patent number 8,963,147
- Issue date Feb 24, 2015
- Toppan Printing Co., Ltd.
- Chihiro Imamura
- G02 - OPTICS
Information Patent Grant
Organic electroluminescence element and method for manufacturing th...
- Patent number 8,022,437
- Issue date Sep 20, 2011
- Toppan Printing Co., Ltd.
- Hiroaki Koyama
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
THIN FILM TRANSISTOR, METHOD OF MANUFACTURING THE SAME, AND IMAGE D...
- Publication number 20140217396
- Publication date Aug 7, 2014
- Toppan Printing Co., Ltd.
- Chihiro Imamura
- G02 - OPTICS
Information Patent Application
Organic Electroluminescence Element and Method for Manufacturing Th...
- Publication number 20100078665
- Publication date Apr 1, 2010
- Toppan Printing Co., Ltd.
- Hiroaki Koyama
- H01 - BASIC ELECTRIC ELEMENTS