Patents by Inventor Nobuaki Uenishi

Nobuaki Uenishi 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).

  • Intra-tube traveling apparatus
    Patent number: 5144848
    Abstract: An intra-tube traveling apparatus includes a moving unit to which an endoscope is held and which is self-driven to travel in a pipe path, and a movement control section for controlling movement of the moving unit. The moving unit includes an elastic actuator which is extended/contracted in the radial direction and axial directions of the pipe path upon reception of the pressurized fluid, balloons attached to the front and rear ends of the elastic actuator. Each of the balloons is radially expanded/deformed upon reception of the pressurized fluid therein to be locked to the inner surface of the pipe path.
    Type: Grant
    Filed: November 2, 1990
    Date of Patent: September 8, 1992
    Assignee: Olympus Optical Co., Ltd.
    Inventors: Nobuaki Uenishi, Mitsugu Nagayoshi, Hirofumi Miyanaga, Tomoaki Sato, Katsunori Sakiyama, Yasuhiro Ueda, Hideyuki Adachi