Patents by Inventor Masaharu Ishisaka

Masaharu Ishisaka 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).

  • Tape carrier device having an adhesive resin overcoat and a polyimide resin-based overcoat
    Patent number: 5814879
    Abstract: A tape carrier comprises an insulating film and a pattern formed of a metal foil on at least one side surface of said film, said tape carrier being characterized in that an adhesive resin overcoat is applied to the pattern surface portion around a portion to be coated with an IC sealing resin, and a polyimide resin-based overcoat is applied to the remaining pattern surface portion.
    Type: Grant
    Filed: October 4, 1995
    Date of Patent: September 29, 1998
    Assignees: Mitsui Mining & Smelting Co., Ltd., Sharp Kabushiki Kaisha
    Inventors: Masaharu Ishisaka, Takeshi Nou, Naoyuki Tajima
  • Tape carrier and tape carrier device using the same
    Patent number: 5477080
    Abstract: A tape carrier comprises an insulating film and a pattern formed of a metal foil on at least one side surface of said film, said tape carrier being characterized in that an adhesive resin overcoat is applied to the pattern surface portion around a portion to be coated with an IC sealing resin, and a polyimide resin-based overcoat is applied to the remaining pattern surface portion.
    Type: Grant
    Filed: July 27, 1993
    Date of Patent: December 19, 1995
    Assignees: Mitsui Mining & Smelting Co., Ltd., Sharp Kabushikikaisha
    Inventors: Masaharu Ishisaka, Takeshi Nou, Naoyuki Tajima