Patents by Inventor Katsumi Matsunaga

Katsumi Matsunaga 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).

  • Slow blow fuse
    Patent number: 4646052
    Abstract: A slow blow fuse has a fuse element section and a pair of electrical terminals integrally formed with the opposite ends of the fuse element section. The fuse element section and the electrical terminals are formed of a high melting point metal and heat accumulators formed of aluminum are secured to the opposite ends of the fuse element section in heat transfer relationship therewith.
    Type: Grant
    Filed: December 24, 1985
    Date of Patent: February 24, 1987
    Assignee: Sumitomo Wiring System, Ltd.
    Inventors: Katsumi Matsunaga, Yoshitsugu Tsuji