Patents by Inventor Chisa HIRAKAWA

Chisa HIRAKAWA 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).

  • OPTICAL INSPECTION METHOD, NON-TRANSITORY STORAGE MEDIUM, AND OPTICAL INSPECTION APPARATUS
    Publication number: 20240319078
    Abstract: According to an embodiment, an optical inspection method includes: causing a wavelength selection portion to selectively pass light components including at least two different wavelength spectra from an object point and causing an imaging portion including at least two color channels configured to receive the light components of the wavelength spectra to capture the object point; defining the light components of the at least two different wavelength spectra as signal vectors having different directions based on light reception data in the at least two color channels for the object point; and estimating spread of a direction distribution of light at the object point based on the directions of the signal vectors.
    Type: Application
    Filed: September 11, 2023
    Publication date: September 26, 2024
    Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA INFORMATION SYSTEMS (JAPAN) CORPORATION
    Inventors: Hiroshi OHNO, Hiroya KANO, Takahiro KAMIKAWA, Hideaki OKANO, Sayuri SUZUKI, Chisa HIRAKAWA, Akifumi OHNO, Yoshiaki TAKAGI