Patents by Inventor Masahiko Sendou

Masahiko Sendou 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).

  • Medical device
    Patent number: 7637864
    Abstract: A capsule medical apparatus inserted in the body cavity includes a spiral projected portion on the outer peripheral surface of a body cavity inserting portion. The pitch, height, and cross section of the projected portion and the like are set to have proper values and shapes suitable to the advance thereof. The body cavity inserting portion has a magnet. An external magnetic guiding device applies a rotating magnetic field to the magnet and the magnetic torque acts on a magnet for rotation. Thus, the medical apparatus stably advances.
    Type: Grant
    Filed: December 5, 2003
    Date of Patent: December 29, 2009
    Assignee: Olympus Corporation
    Inventors: Takeshi Yokoi, Hironobu Takizawa, Akio Uchiyama, Kenichi Arai, Kazushi Ishiyama, Masahiko Sendou
  • Medical device
    Publication number: 20060169293
    Abstract: A capsule medical apparatus inserted in the body cavity includes a spiral projected portion on the outer peripheral surface of a body cavity inserting portion. The pitch, height, and cross section of the projected portion and the like are set to have proper values and shapes suitable to the advance thereof. The body cavity inserting portion has a magnet. An external magnetic guiding device applies a rotating magnetic field to the magnet and the magnetic torque acts on a magnet 36 for rotation. Thus, the medical apparatus stably advances.
    Type: Application
    Filed: December 5, 2003
    Publication date: August 3, 2006
    Inventors: Takeshi Yokoi, Hironobu Takizawa, Akio Uchiyama, Kenichi Arai, Kazushi Ishiyama, Masahiko Sendou