Patents by Inventor Tomoyuki Tamagawa

Tomoyuki Tamagawa 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).

  • Rotary table apparatus
    Patent number: 11103968
    Abstract: A rotary table apparatus includes: a table part having a placement surface; a support part having a guide surface facing an opposing surface which is on an opposite side of the placement surface of the table part; an air film forming part that forms an air film by supplying compressed air between the guide surface and the opposing surface; a negative pressure generating part that sucks air between the guide surface and the opposing surface; a discharge part formed with a discharge port; and an opening adjusting part that adjust the size of an opening area of the discharge port in accordance with the size of a compressed air pressure corresponding to a load applied to the table part.
    Type: Grant
    Filed: October 29, 2019
    Date of Patent: August 31, 2021
    Assignee: MITUTOYO CORPORATION
    Inventors: Tomoyuki Tamagawa, Hisayoshi Sakai
  • ROTARY TABLE APPARATUS
    Publication number: 20200130116
    Abstract: A rotary table apparatus includes: a table part having a placement surface; a support part having a guide surface facing an opposing surface which is on an opposite side of the placement surface of the table part; an air film forming part that forms an air film by supplying compressed air between the guide surface and the opposing surface; a negative pressure generating part that sucks air between the guide surface and the opposing surface; a discharge part formed with a discharge port; and an opening adjusting part that adjust the size of an opening area of the discharge port in accordance with the size of a compressed air pressure corresponding to a load applied to the table part.
    Type: Application
    Filed: October 29, 2019
    Publication date: April 30, 2020
    Inventors: Tomoyuki Tamagawa, Hisayoshi Sakai