Spectacle lens

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 11988902
SERIAL NO

17279860

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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Provided is a spectacle lens including multilayer films on both surfaces of a lens substrate, in which a sum of mean reflectances on both surfaces of the spectacle lens in a wavelength band of 360 to 400 nm is 6.0% or less, a sum of the mean reflectances on both surfaces of the spectacle lens in a wavelength band 400 to 440 nm is 20.0% or more, and a sum of the mean reflectances on both surfaces of the spectacle lens in a wavelength band 480 to 680 nm is 2.0% or less.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
HOYA LENS THAILAND LTD853 PHAHOLYOTHIN ROAD PRACHATIPAT THANYABURI PATHUMTHANI 12130

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Miyamoto, Sou Tokyo, JP 5 1

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Maintenance Fees

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3.5 Year Payment $1600.00 $800.00 $400.00 Nov 21, 2027
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Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00