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:
Apr. 09, 2019

Filed:

Mar. 11, 2015
Applicants:

National University Corporation Kobe University, Hyogo, JP;

Integral Geometry Science Inc., Hyogo, JP;

Inventors:

Kenjiro Kimura, Hyogo, JP;

Noriaki Kimura, Hyogo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/36 (2006.01); G01N 27/72 (2006.01);
U.S. Cl.
CPC ...
G01R 31/3662 (2013.01); G01N 27/72 (2013.01); G01R 31/3651 (2013.01);
Abstract

A conductivity distribution derivation method for deriving a conductivity distribution within a battery having an electrode plate that is flat includes: obtaining magnetic field information indicating a magnetic field; and deriving, based on a plurality of relational expressions which (i) an x component of a magnetic field vector in an x direction parallel to the electrode plate, (ii) a y component of the magnetic field vector in a y direction parallel to the electrode plate and perpendicular to the x direction, (iii) the conductivity distribution on a two-dimensional plane parallel to the electrode plate, and (iv) an electric potential distribution on a two-dimensional plane parallel to the electrode plate satisfy, the conductivity distribution that satisfies the plurality of relational expressions with respect to the magnetic field information.


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