Hajime TANAKA

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical modulator
- Patent number 11,048,140
- Issue date Jun 29, 2021
- Sumitomo Electric Industries, Ltd.
- Hajime Tanaka
- G02 - OPTICS
Information Patent Grant
Multimode interferometer, Mach-Zehnder modulation device
- Patent number 10,606,143
- Issue date Mar 31, 2020
- Sumitomo Electric Industries, Ltd.
- Hajime Tanaka
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL MODULATOR AND METHOD OF MANUFACTURING AN OPTICAL MODULATOR
- Publication number 20240419048
- Publication date Dec 19, 2024
- Sumitomo Electric Industries, Ltd.
- Hajime TANAKA
- G02 - OPTICS
Information Patent Application
OPTICAL MODULATOR
- Publication number 20200192132
- Publication date Jun 18, 2020
- Sumitomo Electric Industries, Ltd.
- Hajime TANAKA
- G02 - OPTICS
Information Patent Application
MULTIMODE INTERFEROMETER, MACH-ZEHNDER MODULATION DEVICE
- Publication number 20180373114
- Publication date Dec 27, 2018
- Sumitomo Electric Industries, Ltd.
- Hajime TANAKA
- G02 - OPTICS