Patents by Inventor I-Chung LU

I-Chung LU 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).

  • Frequency scan linear ion trap mass spectrometry
    Patent number: 10504713
    Abstract: An ion trap mass spectrometer and methods for obtaining a mass spectrum of ions by scanning an RF frequency applied to the linear ion trap for mass selective ejection of the ions by using two power amplifiers to apply opposite phases of the RF to x and y electrodes.
    Type: Grant
    Filed: February 17, 2016
    Date of Patent: December 10, 2019
    Assignee: Academia Sinica
    Inventors: Chung-Hsuan Chen, I-Chung Lu, Ming-Lee Chu
  • FREQUENCY SCAN LINEAR ION TRAP MASS SPECTROMETRY
    Publication number: 20160163529
    Abstract: An ion trap mass spectrometer and methods for obtaining a mass spectrum of ions by scanning an RF frequency applied to the linear ion trap for mass selective ejection of the ions by using two power amplifiers to apply opposite phases of the RF to x and y electrodes.
    Type: Application
    Filed: February 17, 2016
    Publication date: June 9, 2016
    Inventors: Chung-Hsuan CHEN, I-Chung LU, Ming-Lee CHU
  • FREQUENCY SCAN LINEAR ION TRAP MASS SPECTROMETRY
    Publication number: 20130001415
    Abstract: An ion trap mass spectrometer and methods for obtaining a mass spectrum of ions by scanning an RF frequency applied to the linear ion trap for mass selective ejection of the ions by using two power amplifiers to apply opposite phases of the RF to x and y electrodes.
    Type: Application
    Filed: June 27, 2012
    Publication date: January 3, 2013
    Applicant: ACADEMIA SINICA
    Inventors: Chung-Hsuan CHEN, I-Chung LU, Ming-Lee CHU