Patents by Inventor Shigetoshi Yuzawa

Shigetoshi Yuzawa 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).

  • Electromagnetic relay
    Patent number: 4630016
    Abstract: An improved electromagnetic relay in which movable contact pieces of contact mechanisms are fitted into grooves formed in arm portions of a movable base for a movable block, while small projections formed on the movable contact pieces are fitted into recesses further formed in the grooves so as to fix the movable base to the movable contact pieces without any positional displacement or deviation for the prevention of various characteristic variations resulting from such deviation so as to maintain stable working characteristics over a long period.
    Type: Grant
    Filed: June 28, 1985
    Date of Patent: December 16, 1986
    Assignee: Omron Tateisi Electronics Co.
    Inventors: Shigetoshi Yuzawa, Muneo Nakata