Patents by Inventor Masaomi So

Masaomi So 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: 4590712
    Abstract: A vertical spindle duplex head for a grinder includes an annular pressure wheel and a receiver wheel arranged to rotate and revolve workpieces between the annular surfaces of the pressure wheel and the receiver wheel and a grindstone for one end portion of the workpieces driven in the opposite directions of rotation of the pressure wheel and receiver wheel and at their different rotational ratios. The workpieces rotate and revolve between these wheels, thereby grinding their end face by means of a grindstone arranged around the external periphery of a rotary carrier.
    Type: Grant
    Filed: October 4, 1985
    Date of Patent: May 27, 1986
    Assignees: Koyo Seike Company Limited, Koyo Machine Industries Company
    Inventors: Yasuo Sugiyama, Masaomi So, Ichiro Hamaguchi, Kenichi Maeda