Patents by Inventor Norio Kuwahara

Norio Kuwahara 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).

  • Routing method for use in wiring design
    Patent number: 4752887
    Abstract: A method for automatically designing the route of the wiring on printed wiring boards, large scale integrated circuit (LSI) chips or the like which can be used to create the wiring design of wiring boards or the like having a plurality of different wiring pattern densities.
    Type: Grant
    Filed: March 3, 1986
    Date of Patent: June 21, 1988
    Assignee: NEC Corporation
    Inventor: Norio Kuwahara