Yuta KOSHIKA

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Akita-shi, Akita, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing semiconductor optical device and intermedia...
- Patent number 11,894,502
- Issue date Feb 6, 2024
- Dowa Electronics Materials Co., Ltd.
- Yuta Koshika
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor light-emitting element and method of producing semico...
- Patent number 11,888,090
- Issue date Jan 30, 2024
- Dowa Electronics Materials Co., Ltd.
- Yuta Koshika
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
SEMICONDUCTOR LIGHT-EMITTING ELEMENT AND METHOD OF PRODUCING SEMICO...
- Publication number 20220059721
- Publication date Feb 24, 2022
- DOWA ELECTRONICS MATERIALS CO., LTD.
- Yuta KOSHIKA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD OF MANUFACTURING SEMICONDUCTOR OPTICAL DEVICE AND INTERMEDIA...
- Publication number 20210020814
- Publication date Jan 21, 2021
- DOWA ELECTRONICS MATERIALS CO., LTD.
- Yuta KOSHIKA
- H01 - BASIC ELECTRIC ELEMENTS