Patents by Inventor Jiro Watanbe

Jiro Watanbe 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).

  • Vacuum pump and method of starting the same
    Publication number: 20060198735
    Abstract: The present invention relates-to-a-vacuum pump and a method of starting a vacuum pump. The vacuum pump includes a pump rotor (1) rotatably disposed in a casing (2), and a pump-rotor controller (15) for controlling rotation of the pump rotor (1) in a forward direction or a reverse direction in accordance with a predetermined pattern at the time of starting the vacuum pump.
    Type: Application
    Filed: August 11, 2003
    Publication date: September 7, 2006
    Inventors: Naoki Iijima, Jiro Watanbe, Hiroyuki Chino, Kiyoshi Yanagisawa, Takeshi Kawamura