Patents by Inventor Tetsuji Shiokawa

Tetsuji Shiokawa 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).

  • Publication number: 20090019412
    Abstract: According to the present invention, timing information, connection information and physical information are received, and at the weighting determination step, the degree to which a cell can move is weighted. Then, at the movement range determination step, the movement enabled range of the cell is determined, and whether or not a cell placement area is available is decided. When it is decided that a cell placement area is available, the processing advances either to the cell movement area extension step or to the cell placement area acquisition step. Thereafter, an automatic, optimal placement process is performed for the cell.
    Type: Application
    Filed: July 10, 2008
    Publication date: January 15, 2009
    Inventors: Masahiro Yoshimura, Noriko Iijima, Muneaki Kyoya, Ryo Nakanishi, Tetsuji Shiokawa, Satoru Nishioka