Patents by Inventor Tatsuo Sagara

Tatsuo Sagara 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).

  • Pressure detector and strain member therefor
    Patent number: 4653329
    Abstract: A circular diaphragm with an annular thin portion has a smooth front surface, and coaxial but spaced inner and outer cylinders are secured to a rear surface of the diaphragm across said annular thin portion. Opposite edges of a rectangular strain member which is operatively connected to the disphragm through the inner cylinder are secured to a free end of the outer cylinder.
    Type: Grant
    Filed: September 30, 1985
    Date of Patent: March 31, 1987
    Assignee: Ohkura Electric Co., Ltd.
    Inventors: Tatsuo Sagara, Tadashi Sakaue