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:
Aug. 05, 2025

Filed:

Feb. 03, 2021
Applicants:

Sintokogio, Ltd., Nagoya, JP;

National University Corporation Toyohashi University of Technology, Toyohashi, JP;

Inventors:

Yoshihisa Suzuki, Toyokawa, JP;

Toshihiko Noda, Toyohashi, JP;

Kazuaki Sawada, Toyohashi, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 15/06 (2024.01); B01D 46/10 (2006.01);
U.S. Cl.
CPC ...
G01N 15/0656 (2013.01); B01D 46/10 (2013.01); B01D 2275/203 (2013.01); B01D 2275/302 (2013.01); G01N 2015/0662 (2013.01);
Abstract

The gas measurement device includes a filter having a plurality of openings, each opening being variable in size, an adjustment mechanism configured to vary size of the plurality of openings, a first gas sensor configured to detect gas molecules passing through an opening of the filter and output a first measurement value corresponding to the detected gas molecules, and a second gas sensor configured to detect the gas molecules passing through the opening of the filter, output a second measurement value corresponding to the detected gas molecules, and detect gas molecules of a gas species different from the gas molecules detected by the second gas sensor.


Find Patent Forward Citations

Loading…