Patents by Inventor Matuyosi Sugiyama

Matuyosi Sugiyama 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).

  • Rotary type electrostatic spray painting device
    Patent number: 4373673
    Abstract: A rotary type electrostatic spray painting device comprising a rotary shaft and a spray head fixed onto the front end of the rotary shaft. Paint is fed onto the cup shaped inner wall of the spray head. The rotary shaft is supported by a single thrust magnetic bearing and a pair of radial air bearings. An electrode, continuously contacting the rear end of the rotary shaft, is provided. A negative high voltage is applied to the housing of the paint device. In addition, the negative high voltage is also applied to the spray head via the electrode and the rotary shaft.
    Type: Grant
    Filed: July 9, 1980
    Date of Patent: February 15, 1983
    Assignee: Toyota Jidosha Kogyo Kabushiki Kaisha
    Inventors: Teru Morishita, Matuyosi Sugiyama, Akira Sato, Toshikazu Suzuki
  • Rotary type electrostatic spray painting device
    Patent number: 4368853
    Abstract: A rotary type electrostatic spray painting device comprising a rotary shaft and a spray head fixed onto the front end of the rotary shaft. Paint is fed onto the cup shaped inner wall of the spray head. The rotary shaft is supported by a single thrust air bearing and a pair of radial air bearings. An electrode, continuously contacting the rear end of the rotary shaft, is provided. A negative high voltage is applied to the housing of the paint device. In addition, the negative high voltage is also applied to the spray head via the electrode and the rotary shaft.
    Type: Grant
    Filed: May 28, 1980
    Date of Patent: January 18, 1983
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Teru Morishita, Matuyosi Sugiyama, Toshikazu Suzuki