Takashi Araki

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Chiyoda-ku, JP

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Patents Grantslast 30 patents

Information Patent Grant
Infrared emitting diode and method of its manufacture
- Patent number 8,017,960
- Issue date Sep 13, 2011
- Dowa Electronics Materials Co., Ltd.
- Haruhiko Watanabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor integrated circuit device, and process and apparatus...
- Patent number 5,910,010
- Issue date Jun 8, 1999
- Hitachi, Ltd.
- Hirotaka Nishizawa
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Infrared Emitting Diode and Method of Its Manufacture
- Publication number 20090008658
- Publication date Jan 8, 2009
- Haruhiko Watanabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Algaas-Based Light Emitting Diode Having Double Hetero Junction and...
- Publication number 20080087906
- Publication date Apr 17, 2008
- DOWA ELECTRONICS MATERIALS CO., LTD.
- Kenichi Murase
- H01 - BASIC ELECTRIC ELEMENTS