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:
Oct. 07, 2025
Filed:
May. 20, 2021
Applicant:
Koa Corporation, Nagano, JP;
Inventors:
Assignee:
KOA Corporation, Nagano, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C 9/05 (2006.01); H01C 7/00 (2006.01);
U.S. Cl.
CPC ...
C22C 9/05 (2013.01); H01C 7/00 (2013.01);
Abstract
Provided is a resistance alloy enabling a decrease in the TCR of a shunt resistor for use in a current detection device capable of detecting large currents. A copper-manganese based resistance alloy for use in a shunt resistor further comprises tin and nickel and has a TCR less than or equal to −36×10/K at 100° C. with reference to 25° C.
Kanauchi, Naoki. (2025). Resistance alloy for use in shunt resistor, use of resistance alloy in shunt resistor, and shunt resistor using resistance alloy (U.S. Patent No. 12435391). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12435391
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile