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.

Date of Patent:
May. 31, 2022

Filed:

Sep. 06, 2019
Applicant:

Koa Corporation, Ina, JP;

Inventors:

Takanori Kikuchi, Nagano, JP;

Miyahito Kinoshita, Nagano, JP;

Assignee:

KOA CORPORATION, Nagano, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 1/20 (2006.01); H05K 1/02 (2006.01); H05K 1/16 (2006.01); H05K 3/46 (2006.01);
U.S. Cl.
CPC ...
G01R 1/203 (2013.01); H05K 1/0265 (2013.01); H05K 1/16 (2013.01); H05K 3/4697 (2013.01); H05K 2201/09609 (2013.01);
Abstract

Provided is a current sensing device including: a laminate having a plurality of insulating layers laminated therein; a current sensing element provided in an inner layer of the laminate; a current wire configured to flow current to the current sensing element, the current wire being provided with respect to the current sensing element via an interlayer insulating layer; a plurality of current vias configured to connect the current sensing element and the current wire so as to penetrate through the interlayer insulating layer; and a voltage sensing via configured to obtain a voltage drop in the current sensing element, the voltage sensing via being electrically connected to the current sensing element.


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