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:
Jul. 18, 2023

Filed:

Jan. 13, 2021
Applicant:

Asahi Kasei Kabushiki Kaisha, Tokyo, JP;

Inventors:

Yoshihiro Noguchi, Tokyo, JP;

Kiyoshi Yamamoto, Tokyo, JP;

Masaya Yamashita, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 5/08 (2006.01); A61B 5/00 (2006.01); A61B 5/0205 (2006.01);
U.S. Cl.
CPC ...
A61B 5/0806 (2013.01); A61B 5/0077 (2013.01); A61B 5/08 (2013.01); A61B 5/0826 (2013.01); A61B 5/7278 (2013.01); A61B 5/02055 (2013.01); A61B 5/0816 (2013.01); A61B 5/681 (2013.01); A61B 5/6898 (2013.01); A61B 5/7257 (2013.01);
Abstract

Provided is a respiratory state estimating device including a pulse wave signal acquiring unit that acquires a pulse wave signal from a portion of a living subject, a pulse rate calculating unit that calculates a pulse rate of the living subject based on the pulse wave signal, and a respiratory state estimating unit that estimates a respiratory state of the living subject based on the pulse rate. Also, provided is a respiratory state estimating method including optically acquiring a pulse wave signal from a portion of a living subject, calculating a pulse rate of the living subject based on the pulse wave signal, estimating a respiratory state of the living subject from the pulse rate.


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