Patents by Inventor Koma ITO

Koma ITO 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 control valve and evaporated fuel processing device
    Patent number: 11635047
    Abstract: A flow control valve may include a housing including a fluid-flow channel, a valve seat including a valve hole and positioned in the fluid-flow channel, an electric motor disposed in the housing, and a valve body configured to be axially moved toward and away from the valve seat by the electric motor via a feed screw mechanism. The valve body includes a straight projecting portion. The projecting portion is configured to be positioned in the valve hole in an initial valve body lifting range in which a lift distance of the valve body relative to the valve seat is not greater than a predetermined lift distance.
    Type: Grant
    Filed: June 27, 2022
    Date of Patent: April 25, 2023
    Assignee: AISAN KOGYO KABUSHIKI KAISHA
    Inventors: Koma Ito, Shinji Murai
  • Flow Control Valve and Evaporated Fuel Processing Device
    Publication number: 20230003180
    Abstract: A flow control valve may include a housing including a fluid-flow channel, a valve seat including a valve hole and positioned in the fluid-flow channel, an electric motor disposed in the housing, and a valve body configured to be axially moved toward and away from the valve seat by the electric motor via a feed screw mechanism. The valve body includes a straight projecting portion. The projecting portion is configured to be positioned in the valve hole in an initial valve body lifting range in which a lift distance of the valve body relative to the valve seat is not greater than a predetermined lift distance.
    Type: Application
    Filed: June 27, 2022
    Publication date: January 5, 2023
    Applicant: AISAN KOGYO KABUSHIKI KAISHA
    Inventors: Koma ITO, Shinji MURAI