Patents by Inventor Yasuko TSUKAZAKI

Yasuko TSUKAZAKI has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • MASS SPECTROMETRY METHOD USING CHROMATOGRAPHY-MASS SPECTROMETRY DEVICE
    Publication number: 20220236237
    Abstract: [Problem] To provide a mass spectrometry method that uses a chromatography-mass spectrometry device, wherein mass spectrometry can be performed with a convenient method at low cost. [Solution] A mass spectrometry method for a target object, using a chromatography-mass spectrometry device that includes, in order, a chromatograph, an ionization unit, a first mass separation unit, a collision cell, a second mass separation unit, and an ion detection unit, wherein an ion pair agent and Hünig's base are added to a mobile phase of the chromatograph, and the absolute value of an applied voltage of the collision cell is 20V to 250V.
    Type: Application
    Filed: May 21, 2020
    Publication date: July 28, 2022
    Applicant: SHIN NIPPON BIOMEDICAL LABORATORIES, LTD.
    Inventors: Naoto SENDA, Yasuko TSUKAZAKI