Takehiro MIYAJI

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Akita-shi, Akita, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing optical semiconductor device and optical se...
- Patent number 12,113,155
- Issue date Oct 8, 2024
- Dowa Electronics Materials Co., Ltd.
- Tsukasa Maruyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Deep ultraviolet light-emitting element
- Patent number 11,251,338
- Issue date Feb 15, 2022
- Dowa Electronics Materials Co., Ltd.
- Tomohiko Shibata
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF MANUFACTURING OPTICAL SEMICONDUCTOR DEVICE AND OPTICAL SE...
- Publication number 20220293825
- Publication date Sep 15, 2022
- DOWA ELECTRONICS MATERIALS CO., LTD.
- Tsukasa MARUYAMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
DEEP ULTRAVIOLET LIGHT-EMITTING ELEMENT
- Publication number 20210167250
- Publication date Jun 3, 2021
- DOWA ELECTRONICS MATERIALS CO., LTD.
- Tomohiko SHIBATA
- H01 - BASIC ELECTRIC ELEMENTS