logo

For the Inventor, By the Inventor

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 11417449 B1

PDFFull Text
Date of Patent:
Aug. 16, 2022

Filed:

Sep. 24, 2018

Magnetic sheet and non-contact power receiving device, electronic apparatus and non-contact charging system using the same

Applicants:

Kabushiki Kaisha Toshiba, Tokyo, JP;

Toshiba Materials Co., Ltd., Kanagawa, JP;

Inventors:

Takao Sawa, Yokohama, JP;

Katsuhiko Yamada, Yokohama, JP;

Tadao Saito, Yokohama, JP;

Assignees:

KABUSHIKI KAISHA TOSHIBA, Tokyo, JP;

TOSHIBA MATERIALS CO., LTD., Yokohama, JP;

Attorney:

Harness, Dickey & Pierce, P.L.C.

Primary Examiner:

Richard Isla

Assistant Examiner:

Johali A Torres Ruiz

Int. Cl.
CPC ...
H02J 50/70 (2016.01); H01F 1/153 (2006.01); H02J 50/10 (2016.01); H02J 50/90 (2016.01); H01F 38/14 (2006.01); H01F 27/36 (2006.01);
U.S. Cl.
CPC ...
H01F 1/15308 (2013.01); H01F 27/36 (2013.01); H01F 27/366 (2020.08); H01F 38/14 (2013.01); H02J 50/10 (2016.02); H02J 50/70 (2016.02); H02J 50/90 (2016.02);
Abstract

A magnetic sheetof an embodiment includes a stack of a plurality of magnetic thin strips and resin film parts. The stack includes from 5 to 25 pieces of the magnetic thin strips. The magnetic thin strips are provided with cutout portions each having a width of 1 mm or less (including 0 (zero)). A ratio (B/A) of a total length B of the cutout portions provided to the magnetic thin strip to a total outer peripheral length A of an outer peripheral area of the magnetic thin strip arranged on one of the resin film parts is in a range of from 2 to 25.

Find Patent Forward Citations

Sawa, Takao. (2022). Magnetic sheet and non-contact power receiving device, electronic apparatus and non-contact charging system using the same (U.S. Patent No. 11417449). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11417449

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…