Patents by Inventor Kazuhiro Ishibe

Kazuhiro Ishibe 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).

  • Portable electronic device and control method of portable electronic device
    Patent number: 7775423
    Abstract: An IC card used as a portable electronic device includes a CPU which performs various processes by executing control programs, a memory which stores data files, and a communicating portion which communicates with an external device. When receiving a command from the external device via the communicating portion, the CPU of the IC card determines whether or not a process corresponding to the command for the data string specified by the command received from the external device can be performed based on one of access conditions set for the respective data strings in the files stored in the memory and performs a command process when it is determined in the above determining process that the command process for the data string specified by the command can be performed.
    Type: Grant
    Filed: March 17, 2008
    Date of Patent: August 17, 2010
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Aki Fukuda, Kazuhiro Ishibe
  • PORTABLE ELECTRONIC DEVICE AND CONTROL METHOD OF PORTABLE ELECTRONIC DEVICE
    Publication number: 20080237333
    Abstract: An IC card used as a portable electronic device includes a CPU which performs various processes by executing control programs, a memory which stores data files, and a communicating portion which communicates with an external device. When receiving a command from the external device via the communicating portion, the CPU of the IC card determines whether or not a process corresponding to the command for the data string specified by the command received from the external device can be performed based on one of access conditions set for the respective data strings in the files stored in the memory and performs a command process when it is determined in the above determining process that the command process for the data string specified by the command can be performed.
    Type: Application
    Filed: March 17, 2008
    Publication date: October 2, 2008
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Aki Fukuda, Kazuhiro Ishibe