Patents by Inventor Tatsuyuki Asada

Tatsuyuki Asada 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).

  • Foreign substance inspection method and foreign substance inspection apparatus
    Patent number: 11774378
    Abstract: Provided is a foreign substance inspection method for inspecting presence or absence of a foreign substance embedded in a tubular resin molded product. A dome is prepared. The foreign substance inspection method includes: a first measurement step of measuring a dimension of a first projection image of the embedded foreign substance; a second measurement step of measuring a dimension of a second projection image of the embedded foreign substance: and a calculation step of calculating the dimension of the embedded foreign substance based on a proportional relationship between the dimension of each of the projection images to a distance from a corresponding one of the light sources to the each of the projection images and the dimension of the embedded foreign substance to a distance from the corresponding one of the light sources to the embedded foreign substance.
    Type: Grant
    Filed: September 16, 2020
    Date of Patent: October 3, 2023
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Miki Kimura, Tatsuyuki Asada, Yoshiki Koike
  • FOREIGN SUBSTANCE INSPECTION METHOD AND FOREIGN SUBSTANCE INSPECTION APPARATUS
    Publication number: 20210190706
    Abstract: Provided is a foreign substance inspection method for inspecting presence or absence of a foreign substance embedded in a tubular resin molded product. A dome is prepared. The foreign substance inspection method includes: a first measurement step of measuring a dimension of a first projection image of the embedded foreign substance; a second measurement step of measuring a dimension of a second projection image of the embedded foreign substance: and a calculation step of calculating the dimension of the embedded foreign substance based on a proportional relationship between the dimension of each of the projection images to a distance from a corresponding one of the light sources to the each of the projection images and the dimension of the embedded foreign substance to a distance from the corresponding one of the light sources to the embedded foreign substance.
    Type: Application
    Filed: September 16, 2020
    Publication date: June 24, 2021
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Miki Kimura, Tatsuyuki Asada, Yoshiki Koike