Patents by Inventor Takashi Shirasawa

Takashi Shirasawa 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).

  • Sealed terminal
    Patent number: 4140613
    Abstract: A sealed terminal of invention is used for a metal vessel containing water and has improved characteristics such as anticorrosive characteristics, water sealing characteristic and high mechanical strength and insulating characteristic. A terminal conductor of an auxiliary anode is seal-bonded in a terminal opening of the metal vessel with an insulator comprising mica and glassy material and which is softened at a temperature lower than about 900.degree. C. and is plastic deformable under compression.
    Type: Grant
    Filed: August 9, 1977
    Date of Patent: February 20, 1979
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Takeo Inoue, Takashi Shirasawa, Takeki Nishikori