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Utsunomiya-shi, Tochigi, JP
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Patents Grants
last 30 patents
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Patent Grant
Wiring method of optical fiber, wiring device of optical fiber, and...
Patent number
10,837,865
Issue date
Nov 17, 2020
Sumitomo Electric Industries, Ltd.
Chonde Tei
G02 - OPTICS
Patents Applications
last 30 patents
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Patent Application
OPTICAL FIBER BENDING LOSS MEASURING METHOD
Publication number
20230314278
Publication date
Oct 5, 2023
Sumitomo Electric Industries, Ltd.
Chonde TEI
G01 - MEASURING TESTING
Information
Patent Application
BENDING-IMPARTING DEVICE FOR MEASURING BENDING LOSS, AND BENDING TE...
Publication number
20230236087
Publication date
Jul 27, 2023
Sumitomo Electric Industries, Ltd.
Yuki KAWAGUCHI
G01 - MEASURING TESTING
Information
Patent Application
WIRING METHOD OF OPTICAL FIBER, WIRING DEVICE OF OPTICAL FIBER, AND...
Publication number
20190187024
Publication date
Jun 20, 2019
Sumitomo Electric Industries, Ltd.
Chonde TEI
G02 - OPTICS