The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 7857470 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 28, 2010

Filed:

Nov. 13, 2009
Applicants:

Mari Nishi, Kudamatsu, JP;

Mitsuyoshi Ohba, Kudamatsu, JP;

Tatsuya Ohshima, Kudamatsu, JP;

Inventors:

Mari Nishi, Kudamatsu, JP;

Mitsuyoshi Ohba, Kudamatsu, JP;

Tatsuya Ohshima, Kudamatsu, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/08 (2006.01);
U.S. Cl.
CPC ...
Abstract

Provided is a light reflecting plate capable of reducing glare of reflected light while maintaining high light reflectance by regular reflection. The light reflecting plate includes a base, a light reflecting layer that is formed on the base and made of silver or silver alloy, or aluminum or aluminum alloy, in which arithmetic average roughness (Ra) is 0.10 to 0.30 μm and arithmetic average waviness (Wa) is 0.30 to 2.50 μm on a surface of the light reflecting layer.


Find Patent Forward Citations

Nishi, Mari. (2010). Light reflecting plate and method of manufacturing the same, and light reflecting device (U.S. Patent No. 7857470). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7857470

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