Patents by Inventor Tatsuo Kakizaki

Tatsuo Kakizaki 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: 4786779
    Abstract: A welding apparatus for welding hard segments to the circumference of a base of a saw blade. The blade base is clamped between two electrodes of a first electrode unit which can rotate. The segment is clamped by conductive fingers of a second electrode unit which is movable toward the first electrode unit. A power clamp presses together the conductive fingers together. The second electrode unit can rock to uniformly press the segment against the circumference of the blade base.
    Type: Grant
    Filed: December 24, 1986
    Date of Patent: November 22, 1988
    Assignee: Dengensha Manufacturing Company Limited
    Inventors: Tsunehisa Fushimi, Tomoo Tashiro, Shigeru Suzuki, Tatsuo Kakizaki