Eyeglass lens

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United States of America Patent

PATENT NO 9927557
SERIAL NO

14430974

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Abstract

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An aspect of the present invention relates to an eyeglass lens comprising a lens substrate and a vapor-deposited film either directly or indirectly on the lens substrate, wherein the vapor-deposited film is an oxide film of metal selected from the group consisting of zirconium and tantalum, with a proportion accounted for by regions observed in a streaky shape, in a columnar shape, or in a lump shape in a cross-sectional image of the vapor-deposited film obtained by a transmission electron microscope of equal to or less than 20%.

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Patent Owner(s)

Patent OwnerAddress
HOYA CORPORATIONTOKYO JAPAN

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Adachi, Makoto Tokyo, JP 72 430
Harada, Koushi Tokyo, JP 4 8
Komine, Yuko Tokyo, JP 3 2
Ogawa, Naomi Tokyo, JP 6 12
Tadokoro, Nobuyuki Tokyo, JP 8 8

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