Patents Represented by Law Firm Koda and Androllia
  • Patent number: 5957371
    Abstract: In a fixed type discharge electrode system employed for forming a ball on a bonding wire, a magnet is provided on, for instance, the discharge electrode so as to apply a magnetic field that causes the portion of an electric spark facing the bonding wire to be bent and positioned beneath the bonding wire.
    Type: Grant
    Filed: October 17, 1997
    Date of Patent: September 28, 1999
    Assignee: Kabushiki Kaisha Shinkawa
    Inventors: Fumio Miyano, Kuniyuki Takahashi
  • Patent number: 4810181
    Abstract: An injection molding machine is provided with two sets of metal molds each including a stationary and movable metal molds. The two sets are mounted on a supporting plate which is moved in a direction perpendicular to the axis of an injection cylinder. Thus by reciprocating the supporting plate the two sets of the metal molds are alternately moved into and out of the injection molding machine.
    Type: Grant
    Filed: June 19, 1987
    Date of Patent: March 7, 1989
    Assignee: Toshiba Kikai Kabushiki Kaisha
    Inventor: Koichi Ozawa
  • Patent number: D341509
    Type: Grant
    Filed: December 5, 1991
    Date of Patent: November 23, 1993
    Inventor: Jack Evans