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:
Sep. 30, 2025

Filed:

Oct. 19, 2023
Applicant:

Nhk Spring Co., Ltd., Yokohama, JP;

Inventors:

Kenichiro Tami, Yokohama, JP;

Naomi Iida, Yokohama, JP;

Shinya Nasubida, Yokohama, JP;

Go Kinoshita, Yokohama, JP;

Haruhito Suga, Yokohama, JP;

Assignee:

NHK SPRING CO., LTD., Yokohama, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 19/06 (2006.01);
U.S. Cl.
CPC ...
G06K 19/06037 (2013.01); G06K 19/06056 (2013.01); G06K 19/0614 (2013.01); G06K 2019/06225 (2013.01);
Abstract

A composite two-dimensional code according to an embodiment of the present invention is a combination of a first two-dimensional code and a second two-dimensional code. The composite two-dimensional code includes a first cell having a first color, a second cell having a second color, and a third cell having a third color. The first color, the second color, and the third color are different from each other. The first two-dimensional code is acquired by a first filtering processing. The second two-dimensional code is acquired by a second filtering processing.


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