Patents by Inventor Katsuhiro Sukegawa

Katsuhiro Sukegawa 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).

  • Wireless communication system, electronic price tag system, wireless communication apparatus, communication terminal apparatus, and wireless communication method
    Patent number: 7676251
    Abstract: A wireless communication system is provided for establishing wireless communication between a wireless communication apparatus and a battery-driven communication terminal apparatus in which system the power consumption rate of the communication terminal apparatus can be reduced. The wireless communication system includes a trigger signal transmission line for transmitting a trigger signal from the wireless communication apparatus to the communication terminal apparatus, and a data communication line for establishing data communication between the wireless communication apparatus and the communication terminal apparatus. The data communication between the wireless communication apparatus and the communication terminal apparatus is established in response to the trigger signal that is transmitted by the trigger signal transmission line.
    Type: Grant
    Filed: January 31, 2005
    Date of Patent: March 9, 2010
    Assignee: Mitsumi Electric Co., Ltd.
    Inventors: Noboru Sugie, Youichi Kimura, Katsuhiro Sukegawa
  • Wireless communication system, electronic price tag system, wireless communication apparatus, communication terminal apparatus, and wireless communication method
    Publication number: 20050218208
    Abstract: A wireless communication system is provided for establishing wireless communication between a wireless communication apparatus and a battery-driven communication terminal apparatus in which system the power consumption rate of the communication terminal apparatus can be reduced. The wireless communication system includes a trigger signal transmission line for transmitting a trigger signal from the wireless communication apparatus to the communication terminal apparatus, and a data communication line for establishing data communication between the wireless communication apparatus and the communication terminal apparatus. The data communication between the wireless communication apparatus and the communication terminal apparatus is established in response to the trigger signal that is transmitted by the trigger signal transmission line.
    Type: Application
    Filed: January 31, 2005
    Publication date: October 6, 2005
    Inventors: Noboru Sugie, Youichi Kimura, Katsuhiro Sukegawa