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.:
Date of Patent:
Sep. 29, 2026
Filed:
Feb. 03, 2022
Hitachi High-tech Corporation, Tokyo, JP;
Yu Iijima, Tokyo, JP;
Yusuke Shimizu, Tokyo, JP;
Shuhei Yamamura, Tokyo, JP;
Yushi Harada, Tokyo, JP;
Hitachi High-Tech Corporation, Tokyo, JP;
Abstract
An analyzer capable of preventing unintended removal of a separation column is provided. A liquid chromatograph includes: a plurality of separation columns, and that are connected in parallel and removable; a plurality of analysis flow passages that are respectively connected to the plurality of separation columns and configured to allow a sample to flow through each of the plurality of separation columns; a lock mechanism that is configured to restrict removal of the separation columns and other than the separation column to be removed; and a control device that is configured to control the lock mechanism.