Patents by Inventor Oide Kunimasa

Oide Kunimasa 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).

  • Wax treated grindstone
    Patent number: 4190986
    Abstract: The grinding efficiency, performance and quality of the object ground can be increased by employing a grinder which has a grindstone treated with a wax which is impregnated into the grindstone by use of a heated solution of a higher aliphatic acid and higher alcohol group.
    Type: Grant
    Filed: May 12, 1978
    Date of Patent: March 4, 1980
    Assignee: Daichiku Co., Ltd.
    Inventor: Oide Kunimasa