Patents by Inventor Shigeo Yamanishi

Shigeo Yamanishi 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).

  • Controls in a goods assorting device
    Patent number: 5199548
    Abstract: A control system in a goods assorting apparatus whereby the moving state of an assorting carrier by the linear motor driving system is detected by a group of photoelectric switches which are arranged at regular intervals in each section of a reaction plate for detection of the speed of the assorting carrier and issuance of synchronizing signals. This control device ensures accurate dividing of goods into the specified assorting destination.
    Type: Grant
    Filed: October 3, 1991
    Date of Patent: April 6, 1993
    Assignee: Hitachi Kiden Kogyo K.K.
    Inventors: Michihiro Tanaka, Junichi Teruta, Shigeo Yamanishi