Patents by Inventor Keiwa Sakai

Keiwa Sakai 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).

  • Flow channel device and sorting apparatus
    Patent number: 9505010
    Abstract: Provided is a flow channel device including: a flow channel through which a fluid including particles flow; a plurality of branch channels branching from the flow channel; a measurement portion that is provided at a predetermined position in the flow channel and configured to measure electrical characteristics when the particles pass the predetermined position; an operation portion that is provided on a downstream side of the measurement portion and on an upstream side of the plurality of branch channels and configured to apply a dielectrophoretic force to the particles by forming an electric field; and an electrical first guard portion provided between the measurement portion and the operation portion.
    Type: Grant
    Filed: February 25, 2014
    Date of Patent: November 29, 2016
    Assignee: SONY CORPORATION
    Inventors: Yoichi Katsumoto, Kazumasa Sato, Keiwa Sakai
  • FLOW CHANNEL DEVICE AND SORTING APPARATUS
    Publication number: 20140246322
    Abstract: Provided is a flow channel device including: a flow channel through which a fluid including particles flow; a plurality of branch channels branching from the flow channel; a measurement portion that is provided at a predetermined position in the flow channel and configured to measure electrical characteristics when the particles pass the predetermined position; an operation portion that is provided on a downstream side of the measurement portion and on an upstream side of the plurality of branch channels and configured to apply a dielectrophoretic force to the particles by forming an electric field; and an electrical first guard portion provided between the measurement portion and the operation portion.
    Type: Application
    Filed: February 25, 2014
    Publication date: September 4, 2014
    Applicant: SONY CORPORATION
    Inventors: Yoichi Katsumoto, Kazumasa Sato, Keiwa Sakai