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.:
Date of Patent:
Feb. 24, 2026
Filed:
Nov. 30, 2023
Mitutoyo Corporation, Kanagawa, JP;
Hiroto Kubozono, Kanagawa, JP;
Kosaku Miyake, Kanagawa, JP;
MITUTOYO CORPORATION, Kawasaki, JP;
Abstract
A scale includes a substrate, a plurality of scale patterns that are arranged along a measurement direction with a constant period on a surface of the substrate and are made of conductor, and a plurality of dummy patterns that are provided on at least a part of a region on the surface of the substrate where the plurality of scale patterns are not provided, and are made of the same conductors as the plurality of scale patterns. A diameter of a largest circle that can be formed in each of the plurality of dummy patterns centering on a point in each of the plurality of dummy patterns is ¼ or less of the period of the plurality of scale patterns.