Yutaka Ohta

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Light emitting element and method for manufacturing the same
- Patent number 8,860,294
- Issue date Oct 14, 2014
- Dowa Electronics Materials Co., Ltd.
- Tatsunori Toyota
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Nitride semiconductor light-emitting element and method of manufact...
- Patent number 8,330,168
- Issue date Dec 11, 2012
- Dowa Electronics Materials Co., Ltd.
- Yutaka Ohta
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light emitting semiconductor
- Patent number 7,800,096
- Issue date Sep 21, 2010
- Dowa Electronics Materials Co., Ltd.
- Yutaka Ohta
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High voltage integrated semiconductor devices using a thermoplastic...
- Patent number 4,530,001
- Issue date Jul 16, 1985
- Oki Electric Industry Co., Ltd.
- Haruo Mori
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
LIGHT EMITTING ELEMENT AND METHOD FOR MANUFACTURING THE SAME
- Publication number 20120299465
- Publication date Nov 29, 2012
- DOWA ELECTRONICS MATERIALS CO., LTD.
- Tatsunori Toyota
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
NITRIDE SEMICONDUCTOR LIGHT-EMITTING ELEMENT AND METHOD OF MANUFACT...
- Publication number 20110266553
- Publication date Nov 3, 2011
- DOWA ELECTRONICS MATERIALS CO., LTD.
- Yutaka Ohta
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT EMITTING SEMICONDUCTOR
- Publication number 20090250684
- Publication date Oct 8, 2009
- DOWA ELECTRONICS MATERIALS CO., LTD.
- Yutaka Ohta
- H01 - BASIC ELECTRIC ELEMENTS