Toshiyuki NITTA

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Osaka-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor optical device and method for producing semiconductor...
- Patent number 11,735,888
- Issue date Aug 22, 2023
- Sumitomo Electric Industries, Ltd.
- Naoki Fujiwara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor optical device
- Patent number 11,527,866
- Issue date Dec 13, 2022
- Sumitomo Electric Industries, Ltd.
- Naoki Fujiwara
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
SEMICONDUCTOR OPTICAL DEVICE AND METHOD FOR PRODUCING SEMICONDUCTOR...
- Publication number 20230275400
- Publication date Aug 31, 2023
- Sumitomo Electric Industries, Ltd.
- Naoki FUJIWARA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR OPTICAL DEVICE AND METHOD FOR PRODUCING SEMICONDUCTOR...
- Publication number 20210249840
- Publication date Aug 12, 2021
- Sumitomo Electric Industries, Ltd.
- Naoki FUJIWARA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
SEMICONDUCTOR OPTICAL DEVICE
- Publication number 20210126428
- Publication date Apr 29, 2021
- Sumitomo Electric Industries, Ltd.
- Naoki FUJIWARA
- H01 - BASIC ELECTRIC ELEMENTS