Patents by Inventor Hitoshi Matumoto

Hitoshi Matumoto 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).

  • Ultrasonic method of inspecting contents of a package and apparatus thereof
    Patent number: 4821573
    Abstract: The invention provides an ultrasonic method of inspecting contents (fluid food, for instance) of a package by disposing an ultrasonic transmitter-receiver system on at least one side of the package and evaluating the occurrence or degree of degradation of the contents on the basis of output data from the system. The invention also provides an ultrasonic apparatus for inspecting contents of a package which comprises a shaking device for feeding and shaking the package, an ultrasonic device disposed independently and downstream of the shaking device, and a guide device for feeding the package downstream of the shaking device to the ultrasonic device and further downstream.
    Type: Grant
    Filed: October 13, 1987
    Date of Patent: April 18, 1989
    Assignee: Fujimori Kogyo Co., Ltd.
    Inventors: Masanori Nagata, Tsugio Kaneoka, Shigeki Imano, Hitoshi Matumoto