Patents by Inventor Yoshihisa Makuta

Yoshihisa Makuta 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).

  • Patent number: 7079851
    Abstract: The present invention is directed to the prevention of invalid access and inappropriate information transfer by limiting the accessible range to the information resource on a radio network. In one embodiment, a method of providing access to an information unit by a wireless unit comprises providing a first position information containing an access enabled area for the wireless unit, wherein the access enabled area falls within a range of communicable area of a wireless access point; and obtaining a second position information containing a current position of the wireless unit. If the current position of the wireless unit is within the access enabled area for the wireless unit, access if permitting to the information unit by the wireless unit.
    Type: Grant
    Filed: July 2, 2003
    Date of Patent: July 18, 2006
    Assignee: Hitachi, Ltd.
    Inventor: Yoshihisa Makuta
  • Publication number: 20040009778
    Abstract: The present invention is directed to the prevention of invalid access and inappropriate information transfer by limiting the accessible range to the information resource on a radio network. In one embodiment, a method of providing access to an information unit by a wireless unit comprises providing a first position information containing an access enabled area for the wireless unit, wherein the access enabled area falls within a range of communicable area of a wireless access point; and obtaining a second position information containing a current position of the wireless unit. If the current position of the wireless unit is within the access enabled area for the wireless unit, access if permitting to the information unit by the wireless unit.
    Type: Application
    Filed: July 2, 2003
    Publication date: January 15, 2004
    Applicant: HITACHI, LTD.
    Inventor: Yoshihisa Makuta