Patents by Inventor Tadao Kakizoe

Tadao Kakizoe 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).

  • Patent number: 8753262
    Abstract: An internal treatment apparatus for a patient having a flexible tubular body to be introduced into a patient includes a center opening for inserting therethrough an endoscope for observing a target site, the center opening being circular in cross section and disposed at a center of an end face of the flexible tubular body; and a plurality of circumferential apertures through which surgical instruments are inserted for performing a surgical procedure on the target site, the plurality of circumferential apertures being provided in the flexible tubular body at equi-angular intervals around the center opening.
    Type: Grant
    Filed: July 16, 2004
    Date of Patent: June 17, 2014
    Assignees: Hoya Corporation, National Cancer Center
    Inventors: Akira Sugiyama, Kenichi Ohara, Hiroshi Sano, Kunitoshi Ikeda, Tadao Kakizoe, Toshiaki Kobayashi
  • Publication number: 20080051629
    Abstract: An internal treatment apparatus for a patient having a flexible tubular body to be introduced into a patient includes a center opening for inserting therethrough an endoscope for observing a target site, the center opening being circular in cross section and disposed at a center of an end face of the flexible tubular body; and a plurality of circumferential apertures through which surgical instruments are inserted for performing a surgical procedure on the target site, the plurality of circumferential apertures being provided in the flexible tubular body at equi-angular intervals around the center opening.
    Type: Application
    Filed: July 16, 2004
    Publication date: February 28, 2008
    Inventors: Akira Sugiyama, Kenichi Ohara, Hiroshi Sano, Kunitoshi Ikeda, Tadao Kakizoe, Toshiaki Kobayashi
  • Patent number: 7169104
    Abstract: A magnetic anchor remote guidance system includes an engagement member which engages with a body portion in a patient's body; a magnetic anchor made of a magnetic material, connected to the engagement member; and a magnetic anchor guide device which is disposed out of the patient's body and which produces a magnetic field to power the magnetic anchor. The body portion engaged by the engagement member is raised by supplying power to the magnetic anchor via the magnetic field produced by the magnetic anchor guide device.
    Type: Grant
    Filed: September 11, 2003
    Date of Patent: January 30, 2007
    Assignees: Pentax Corporation, National Cancer Center, Tamakawa Co., Ltd.
    Inventors: Hirohisa Ueda, Kunitoshi Ikeda, Tadao Kakizoe, Toshiaki Kobayashi, Takuji Gotoda, Katsunori Tamakawa
  • Publication number: 20040050395
    Abstract: A magnetic anchor remote guidance system includes an engagement member which engages with a body portion in a patient's body; a magnetic anchor made of a magnetic material, connected to the engagement member; and a magnetic anchor guide device which is disposed out of the patient's body and which produces a magnetic field to power the magnetic anchor. The body portion engaged by the engagement member is raised by supplying power to the magnetic anchor via the magnetic field produced by the magnetic anchor guide device.
    Type: Application
    Filed: September 11, 2003
    Publication date: March 18, 2004
    Applicants: PENTAX Corporation, National Cancer Center, Tamakawa Co., Ltd.
    Inventors: Hirohisa Ueda, Kunitoshi Ikeda, Tadao Kakizoe, Toshiaki Kobayashi, Takuji Gotoda, Katsunori Tamakawa