Patents by Inventor Toshihiro Kanaoka

Toshihiro Kanaoka 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).

  • Scan path timing optimizing apparatus determining connection order of scan path circuits to realize optimum signal timings
    Patent number: 7162707
    Abstract: An intra-area connection order determining unit determines at random orders of connection of scan path circuits in each area divided by an placement area dividing unit. An inter-area connection order determining unit determines orders of connection of the scan path circuits between the areas such that length of interconnection between the areas divided by the placement area dividing unit becomes short. Accordingly, length of interconnection between the scan paths can be locally made short, reducing congestion of interconnections and generation of hold time errors.
    Type: Grant
    Filed: May 28, 2003
    Date of Patent: January 9, 2007
    Assignees: Renesas Technology Corp., Mitsubishi Electric Engineering Company Limited
    Inventors: Toshihiro Kanaoka, Genichi Tanaka
  • Scan path timing optimizing apparatus determining connection order of scan path circuits to realize optimum signal timings
    Publication number: 20040111689
    Abstract: An intra-area connection order determining unit determines at random orders of connection of scan path circuits in each area divided by an placement area dividing unit. An inter-area connection order determining unit determines orders of connection of the scan path circuits between the areas such that length of interconnection between the areas divided by the placement area dividing unit becomes short. Accordingly, length of interconnection between the scan paths can be locally made short, reducing congestion of interconnections and generation of hold time errors.
    Type: Application
    Filed: May 28, 2003
    Publication date: June 10, 2004
    Applicants: Renesas Technology Corp., Mitsubishi Electric Engineering Company Limited
    Inventors: Toshihiro Kanaoka, Genichi Tanaka