Patents by Inventor Yu Okamoto

Yu Okamoto 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).

  • Tandem collision/reaction cell for inductively coupled plasma-mass spectrometry (ICP-MS)
    Patent number: 10290482
    Abstract: A tandem collision/reaction cell for an inductively coupled plasma-mass spectrometry (ICP-MS) system includes a first ion guide, a second ion guide, and an intermediate electrode in the vicinity of an exit end of the first ion guide. A DC potential barrier is applied to the intermediate electrode. The cell may provide two or more stages of an ion-molecule collision process.
    Type: Grant
    Filed: March 13, 2018
    Date of Patent: May 14, 2019
    Assignee: Agilent Technologies, Inc.
    Inventors: Noriyuki Yamada, Erina Shimizu, Yu Okamoto