Patents by Inventor Nobuaki Tomisato

Nobuaki Tomisato 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).

  • Semiconductor integrated circuit and designing method for same
    Patent number: 7123084
    Abstract: A power supply cell is arranged in the corner of a rectangular semiconductor chip. A first or second power supply voltage is supplied to a pad of the power supply cell. A first connecting line of the power supply cell connects a first power supply line in an input/output cell area to a first power supply line in a power supply line area. A second connecting line of the power supply cell connects a second power supply line in the input/output cell area to a second power supply line in the power supply line area. A leadout line of the power supply cell connects the first or second connecting line to the pad.
    Type: Grant
    Filed: October 15, 2004
    Date of Patent: October 17, 2006
    Assignee: Fujitsu Limited
    Inventors: Nobuaki Tomisato, Yasuhiko Inada
  • Semiconductor integrated circuit and designing method for same
    Publication number: 20050285668
    Abstract: A power supply cell is arranged in the corner of a rectangular semiconductor chip. A first or second power supply voltage is supplied to a pad of the power supply cell. A first connecting line of the power supply cell connects a first power supply line in an input/output cell area to a first power supply line in a power supply line area. A second connecting line of the power supply cell connects a second power supply line in the input/output cell area to a second power supply line in the power supply line area. A readout line of the power supply cell connects the first or second connecting line to the pad.
    Type: Application
    Filed: October 15, 2004
    Publication date: December 29, 2005
    Inventors: Nobuaki Tomisato, Yasuhiko Inada