Norio Tasaki

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Akita-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor optical device and method of manufacturing the same
- Patent number 10,658,543
- Issue date May 19, 2020
- DOWA ELECTRONICS MATERIALS CO., LTD.
- Norio Tasaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor light emitting diode having a contact portion and a r...
- Patent number 9,172,005
- Issue date Oct 27, 2015
- Dowa Electronics Materials Co., Ltd.
- Norio Tasaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light-emitting element
- Patent number 8,278,822
- Issue date Oct 2, 2012
- Dowa Electronics Materials Co., Ltd.
- Masatoshi Iwata
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
SEMICONDUCTOR OPTICAL DEVICE AND METHOD OF MANUFACTURING THE SAME
- Publication number 20190273182
- Publication date Sep 5, 2019
- DOWA Electronics Materials Co., Ltd.
- Norio TASAKI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR LIGHT EMITTING DIODE AND METHOD OF MANUFACTURING THE...
- Publication number 20140001508
- Publication date Jan 2, 2014
- DOWA ELECTRONICS MATERIALS CO., LTD.
- Norio Tasaki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT-EMITTING ELEMENT
- Publication number 20110115359
- Publication date May 19, 2011
- DOWA ELECTRONICS MATERIALS CO., LTD.
- Masatoshi Iwata
- H01 - BASIC ELECTRIC ELEMENTS