Patents by Inventor Shoji Tsunakawa

Shoji Tsunakawa 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: 4542582
    Abstract: A method of forming a relay assemblage essentially consisting of a contact block and a coil block, comprising locating a united connection terminals in the base member of the contact block, cutting the joint uniting the terminals, and coupling the coil block with the contact block by elastic engagement.
    Type: Grant
    Filed: November 14, 1983
    Date of Patent: September 24, 1985
    Assignee: Original Electric Mfg. Co., Ltd.
    Inventor: Shoji Tsunakawa