Patents by Inventor Norindo Kosaka

Norindo Kosaka 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: 4841364
    Abstract: A system for confirming proper release of a molded article fron an injection molding machine and for determining the quality of this article. The system includes a first video camera for monitoring an outer surface of a male mold half and providing image data indicative thereof, a second video camera for monitoring an inner surface of a female mold half and providing image data indicative thereof, and a control unit. The control unit includes a memory for storing reference image data and image data provided by the first and second cameras and a comparator for comparing the provided image data and the stored reference image data to confirm release of the molded article and to determine the quality of the article. The presence or absence of residual resins on the outer surface of the male mold half and on the inner surface of the female mold half is also determined.
    Type: Grant
    Filed: April 15, 1988
    Date of Patent: June 20, 1989
    Assignee: Kawaguchi, Ltd.
    Inventors: Norindo Kosaka, Chikatoshi Yamaguchi