Patents by Inventor Akifumi Omori

Akifumi Omori 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).

  • Patent number: 11142931
    Abstract: Provided is a vehicle door latch device capable of shortening of energization time to an electrical drive source while a moving member is restrained by abutting against a stopper portion and improvement of durability of the electrical drive source. A control unit of the door latch device controls an electric motor for driving a sector gear in a release direction based on a door operation of an operation switch, and controls to stop a power supply to the electric motor when the latch is rotated from the full-latch position to the open position and a full-latch detecting switch is activated while the moving member is brought into abutment with the stopper portion and is stopped.
    Type: Grant
    Filed: April 27, 2016
    Date of Patent: October 12, 2021
    Assignee: Mitsui Kinzoku Act Corporation
    Inventors: Minetaka Katagawa, Shintaro Okawa, Akifumi Omori
  • Publication number: 20180195318
    Abstract: Provided is a vehicle door latch device capable of shortening of energization time to an electrical drive source while a moving member is restrained by abutting against a stopper portion and improvement of durability of the electrical drive source. A control unit of the door latch device controls an electric motor for driving a sector gear in a release direction based on a door operation of an operation switch, and controls to stop a power supply to the electric motor when the latch is rotated from the full-latch position to the open position and a full-latch detecting switch is activated while the moving member is brought into abutment with the stopper portion and is stopped.
    Type: Application
    Filed: April 27, 2016
    Publication date: July 12, 2018
    Applicant: Mitsui Kinzoku Act Corporation
    Inventors: Minetaka Katagawa, Shintaro Okawa, Akifumi Omori