Optical fiber and fiber laser

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10879666
APP PUB NO 20190229489A1
SERIAL NO

16337508

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Abstract

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The present invention comprises a core (11) and a primary coating (12) that is lower in refractive index than the core (11) and that covers the side surface of the core (11) except in a coating-removed section (I0). The side surface of the core (11), in at least part of the coating-removed section (I0), is covered with an intermediate-refractive-index resin part (14) that is lower in refractive index than the core (11) and that is higher in refractive index than the primary coating (12).

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Patent Owner(s)

Patent OwnerAddress
FUJIKURA LTDTOKYO JAPAN TOKYO METROPOLIS

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Matsumoto, Ryokichi Sakura, JP 20 83

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