Patents by Inventor Shiro Bitoh

Shiro Bitoh 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).

  • Intraperitoneal therapy apparatus
    Patent number: 5476447
    Abstract: An intraperitoneal therapy apparatus for cauterizing tissues in a peritoneal cavity, which comprises a pneumoperitoneal device for introducing gas into the peritoneal cavity, thereby to inflate the cavity, a cautery device for cauterizing diseased tissues in the peritoneal cavity inflated by the pneumoperitoneal device, a suction device for removing fume from the peritoneal cavity, and a control circuit for controlling the pneumoperitoneal device and the suction device in accordance with an operation of the cautery device.
    Type: Grant
    Filed: September 26, 1994
    Date of Patent: December 19, 1995
    Assignee: Olympus Optical Co., Ltd.
    Inventors: Kenji Noda, Naomi Sekino, Yutaka Yanagawa, Takeo Usui, Kowji Tanikawa, Shiro Bitoh