Patents by Inventor Kouichi Shintomi

Kouichi Shintomi 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).

  • Low-temperature burnt conductive paste and method of manufacturing printed circuit board
    Patent number: 4894184
    Abstract: A low-temperature burnt conductive paste prepared by dispersing, in an organic vehicle, a base material comprising 50 to 95% by weight of a powder of at least one conductive material selected from the group consisting of a copper alloy, a copper oxide and a copper alloy oxide and 5 to 50% by weight of a glass powder having a softening point of 300.degree. to 600.degree. C. and a coefficient of thermal expansion of 6 to 13.times.10.sup.-6 .degree.C..sup.-1, and a method of manufacturing a printed circuit board using this paste.
    Type: Grant
    Filed: April 27, 1987
    Date of Patent: January 16, 1990
    Assignee: The Furukawa Electric Co., Ltd.
    Inventors: Shingoro Fukuoka, Kouichi Shintomi, Ryu Maeda, Kaisuke Shiroyama