Patents by Inventor Yoshio Ido

Yoshio Ido 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).

  • Self-propelled vehicle within pipe
    Patent number: 6123027
    Abstract: A running apparatus within a pipe runs such that a center axis of a main body of the running apparatus is automatically coincided with a center axis of the pipe during running, and smoothly runs within a curved pipe.
    Type: Grant
    Filed: December 16, 1998
    Date of Patent: September 26, 2000
    Assignees: Tokyo Gas Co., Ltd., CXR Corporation
    Inventors: Kiichi Suyama, Seiji Mizukami, Toshihide Kawabe, Yoshio Ido