Patents by Inventor Koichiro Tanno

Koichiro Tanno 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).

  • Conductive paste
    Patent number: 4398975
    Abstract: A novel conductive paste and a method of making the same in which metallic gallium is combined with a metal or alloy which forms a eutectic with gallium in an amount in excess of its limit of solubility in gallium at a specific temperature. This melt is then treated with a metal powder of a second metal or alloy which alloys with gallium to produce a higher melting alloy, the second metal powder being coated on its surface with the eutectic-forming metal.
    Type: Grant
    Filed: December 16, 1981
    Date of Patent: August 16, 1983
    Assignee: Sony Corporation
    Inventors: Kenji Ohsawa, Takao Ito, Koichiro Tanno, Masayuki Ohsawa, Keiji Kurata