Patents by Inventor Masashi Tomooka

Masashi Tomooka 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).

  • Washing apparatus for endoscope
    Patent number: 6928686
    Abstract: A washing apparatus for an endoscope includes a wire brush, a region for housing the wire brush and a driver adapted to advance and retract the wire brush. The wire brush is received in a pipe section of the wire housing region so that the wire brush may be selectively advanced out or retracted in this pipe section which is, in turn, provided along its front end portion and a rear end portion with position sensors to detect a position of a wire component of the wire brush.
    Type: Grant
    Filed: March 13, 2002
    Date of Patent: August 16, 2005
    Assignee: Koken Ltd.
    Inventors: Masashi Tomooka, Masao Suzuki, Yoshinobu Oyama, Taketo Suzuki
  • Washing apparatus for endoscope
    Publication number: 20030000035
    Abstract: A washing apparatus for an endoscope includes a wire brush, a region for housing the wire brush and a drive means adapted to advance and retract the wire brush. The wire brush is received in a pipe section of the wire housing region so that the wire brush may be selectively advanced out or retracted in this pipe section which is, in turn, provided along its front end portion and a rear end portion with position sensors to detect a position of a wire component of the wire brush.
    Type: Application
    Filed: March 13, 2002
    Publication date: January 2, 2003
    Inventors: Masashi Tomooka, Masao Suzuki, Yoshinobu Oyama, Taketo Suzuki