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:
Mar. 17, 2026
Filed:
Dec. 23, 2021
Shimadzu Corporation, Kyoto, JP;
Kazutaka Mitsui, Kyoto, JP;
Hidenori Takahashi, Kyoto, JP;
SHIMADZU CORPORATION, Kyoto, JP;
Abstract
Provided is a mass spectrometer including: a reaction chamber into which a precursor ion is introduced; a radical generation part configured to generate a known radical; a radical supply part configured to react the precursor ion with the radical to generate fragment ions and an adduction; a measurement control part configured to measure ions including the precursor ion, the fragment ions, and the adduct ion to obtain a mass spectrum; and an accurate mass estimation part configured to specify a peak of the adduct ion by searching a predetermined mass range centered on a mass value obtained by adding a mass of an atom or molecule derived from the radical to a mass obtained from a peak of the precursor ion, and estimate an accurate mass of the precursor ion by subtracting an accurate mass of the atom or molecule from an accurate mass of the peak.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile