Yuji SEKINO

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Yamato, JP

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Patents Grantslast 30 patents

Information Patent Grant
Semiconductor optical device, optical module, and manufacturing met...
- Patent number 11,233,174
- Issue date Jan 25, 2022
- Lumentum Japan, Inc.
- Masahiro Ebisu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Modulation doped semiconductor laser and manufacturing method therefor
- Patent number 11,196,232
- Issue date Dec 7, 2021
- Lumentum Japan, Inc.
- Takayuki Nakajima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical subassembly
- Patent number 11,112,571
- Issue date Sep 7, 2021
- Lumentum Japan, Inc.
- Yuji Sekino
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
MODULATION DOPED SEMICONDUCTOR LASER AND MANUFACTURING METHOD THEREFOR
- Publication number 20210057886
- Publication date Feb 25, 2021
- Lumentum Japan, Inc.
- Takayuki NAKAJIMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
OPTICAL SUBASSEMBLY
- Publication number 20210048588
- Publication date Feb 18, 2021
- Lumentum Japan, Inc.
- Yuji SEKINO
- G02 - OPTICS
Information Patent Application
SEMICONDUCTOR OPTICAL DEVICE, OPTICAL MODULE, AND MANUFACTURING MET...
- Publication number 20200287090
- Publication date Sep 10, 2020
- Lumentum Japan, Inc.
- Masahiro EBISU
- H01 - BASIC ELECTRIC ELEMENTS