Patents by Inventor Yasuhiro Ichiba

Yasuhiro Ichiba 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).

  • Touch signal probe
    Patent number: 5259122
    Abstract: A touch signal probe wherein a stylus installation shaft 2 and a stylus are connected by two springs 8 and 10 so as to move in a X-Y direction and a Z direction and a slat of a damper 9 is contained in a closed closure space S between the spring 8 and the spring 10, which space S is filled with a viscous liquid.
    Type: Grant
    Filed: September 17, 1992
    Date of Patent: November 9, 1993
    Assignee: Mitutoyo Corporation
    Inventors: Yasuhiro Ichiba, Hideo Morita