Junichi Ota

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical network system and automatic operation system
- Patent number 11,863,235
- Issue date Jan 2, 2024
- Sumitomo Electric Industries, Ltd.
- Junichi Ota
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical fiber cable
- Patent number 5,630,002
- Issue date May 13, 1997
- Sumitomo Electric Industries, Ltd.
- Junichi Ota
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL NETWORK SYSTEM AND AUTOMATIC OPERATION SYSTEM
- Publication number 20220311516
- Publication date Sep 29, 2022
- Sumitomo Electric Industries, Ltd.
- Junichi OTA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL SWITCHING UNIT AND OPTICAL SWITCHING DEVICE
- Publication number 20170289653
- Publication date Oct 5, 2017
- Sumitomo Electric Industries, Ltd.
- Tetsufumi TSUZAKI
- G02 - OPTICS