Patents by Inventor Kazunori Ito

Kazunori Ito 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).

  • Patent number: 5847466
    Abstract: A semiconductor device having a multilayer interconnection structure, includes a substrate having a metal interconnect layer provided thereon and N number (N being an integer of 2 or greater) of layers of insulating film formed one on top of another on the substrate. Each layer of insulating film has a metal interconnect layer including at least one bonding pad section provided thereon. At least one via hole filled with an electrically conductive material is provided in each of the layers for interconnecting metal interconnect layers. At least one bonding pad connecting hole filled with an electrically conductive material is provided in each of the layers for interconnecting bonding pad sections. The at least one bonding pad connecting hole is no more than twice as large in diameter as a smallest via hole.
    Type: Grant
    Filed: December 5, 1996
    Date of Patent: December 8, 1998
    Assignee: Ricoh Company, Ltd.
    Inventors: Kazunori Ito, Mitsugu Irinoda, Kaichi Ueno, Mamoru Ishida, Takahiko Kuroda
  • Patent number: 4768636
    Abstract: A forward/reverse drive controller for controlling a vehicle, in which the output of an engine is transmitted through a clutch to an automatic transmission, in which the running direction of the vehicle is changed rapidly and alternately in opposite directions.
    Type: Grant
    Filed: January 9, 1987
    Date of Patent: September 6, 1988
    Assignees: Kabushiki Kaisha Toyoda Jidoshokki Seisakusho, Fujitsu Limited
    Inventors: Kazunori Ito, Masaya Hyodo, Koji Niinomi, Shingo Yamada, Yoshiyasu Uchida, Kiyoshi Kitagawa, Seiichi Hata, Hideo Akima, Toshihide Narita