Patents by Inventor Yoshimi Yoshino

Yoshimi Yoshino 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).

  • Glass-coated thick film resistor
    Patent number: 4139832
    Abstract: A glas-coated thick film resistor can be obtained by coating completely with a crystallizable glass having a crystallizing temperature of 400 to 600.degree. C and consisting of 62 to 80% by weight of PbO, 5 to 31% by weight of ZnO, 5 to 18% by weight of B.sub.2 O.sub.3, 0.2 to 8% by weight of Al.sub.2 O.sub.3 and 1 to 5% by weight of SiO.sub.2.
    Type: Grant
    Filed: March 1, 1977
    Date of Patent: February 13, 1979
    Assignee: Hitachi, Ltd.
    Inventors: Yoshimi Yoshino, Nobuyuki Sugishita