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:
Dec. 02, 2025

Filed:

Jul. 18, 2023
Applicant:

Shimadzu Corporation, Kyoto, JP;

Inventors:

Yuki Sakamoto, Kyoto, JP;

Yu Nagao, Kyoto, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 30/32 (2006.01); G01N 30/02 (2006.01);
U.S. Cl.
CPC ...
G01N 30/32 (2013.01); G01N 2030/025 (2013.01); G01N 2030/324 (2013.01);
Abstract

A gas chromatograph includes a sample gas generator, a separation column configured to separate components of an introduced sample gas, a gas supply source configured to supply a carrier gas to the sample gas generator to carry the sample gas from the sample gas generator to the separation column when the components of the sample gas are analyzed, a controller configured or programmed to acquire an in-analysis usage amount of the carrier gas based on an analysis time for analyzing the components of the sample gas, and a flow rate of the carrier gas supplied from the gas supply source to the sample gas generator, and a display configured to display the in-analysis usage amount acquired by the controller.


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