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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 12795876 B1

PDFFull Text
Date of Patent:
Nov. 10, 2026

Filed:

May. 18, 2023

Designed electromagnetic wave suppressor, and building material, electromagnetic wave suppression chamber, and system provided with the suppressor

Applicant:

Toppan Inc., Tokyo, JP;

Inventors:

Ryo Shoda, Tokyo, JP;

Hiroyoshi Nishiyama, Tokyo, JP;

Miho Imai, Tokyo, JP;

Junya Tanabe, Tokyo, JP;

Takeshi Ikeda, Tokyo, JP;

Assignee:

TOPPAN INC., Tokyo, JP;

Attorney:

Foley & Lardner LLP

Primary Examiner:

Zhitong Chen

Int. Cl.
CPC ...
H05K 9/00 (2006.01); B32B 27/08 (2006.01); B32B 27/32 (2006.01); B32B 27/36 (2006.01); E04B 1/92 (2006.01);
U.S. Cl.
CPC ...
H05K 9/0081 (2013.01); B32B 27/08 (2013.01); B32B 27/32 (2013.01); B32B 27/36 (2013.01); E04B 1/92 (2013.01); H05K 9/0003 (2013.01); B32B 2255/10 (2013.01); B32B 2255/205 (2013.01); B32B 2255/26 (2013.01); B32B 2264/102 (2013.01); B32B 2307/212 (2013.01); B32B 2419/00 (2013.01);
Abstract

A designed electromagnetic wave suppressor includes a design layer, and an electromagnetic wave suppressor having an electromagnetic wave return attenuation of 10 dB or more. A building material includes the designed electromagnetic wave suppressor. An electromagnetic wave suppression chamber includes a room in which at least part of the inner walls is covered with the building material, and a transmitter disposed in the room. A system includes the electromagnetic wave suppression chamber, and a wireless communication device disposed in the electromagnetic wave suppression chamber.

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Shoda, Ryo. (2026). Designed electromagnetic wave suppressor, and building material, electromagnetic wave suppression chamber, and system provided with the suppressor (U.S. Patent No. 12795876). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12795876

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

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