Patents by Inventor Hiroshi Tsukumo

Hiroshi Tsukumo 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).

  • YARN INSPECTION SYSTEM AND SCREENING METHOD
    Publication number: 20230267597
    Abstract: An inspection system of a filament yarn, including: an irradiation means configured to irradiate the filament yarn with inspection light; a measurement means configured to measure with an area sensor a luminance level of a shade and a background of the filament yarn; an image processing means configured to obtain image information on the basis of information obtained from the area sensor; and a determination means configured to decide a type and a frequency of an error from the image information and determine an inspection result of the filament yarn on the basis of a threshold value according to the error is provided.
    Type: Application
    Filed: February 24, 2022
    Publication date: August 24, 2023
    Applicant: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Hiroshi Tsukumo, Shinichiro Tanaka, Yoshinobu Fujimura, Fuminori Murai