Patents by Inventor Kotaro UMEZAWA

Kotaro UMEZAWA 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).

  • CONTROL APPARATUS AND CONTROL METHOD
    Publication number: 20220307297
    Abstract: A control apparatus includes a first controller which controls an operation of a door of a railway vehicle, a second controller capable of controlling the operation of the door, and a diagnosis tester. The diagnosis tester performs a diagnosis related to an abnormality in the second controller when performing a start process which accompanies turning on power of the control apparatus.
    Type: Application
    Filed: February 23, 2022
    Publication date: September 29, 2022
    Inventors: Kotaro UMEZAWA, Takuya WATANABE