Patents by Inventor Shiro Kihara

Shiro Kihara 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).

  • Communication control method
    Publication number: 20070213068
    Abstract: A communication control method for controlling data communication conducted between a portable information communication terminal and a data communication apparatus via a communication network including a radio communication network includes the steps of: determining whether data communication between a portable information communication terminal and a data communication apparatus has been interrupted by disconnection of a communication line; and in response to normal termination of data communication between a portable information communication terminal and a data communication apparatus, clearing accounting on data communication that was interrupted between said portable information communication terminal and a data communication apparatus by disconnection of a communication line within a predetermined time before the normal termination of the data communication.
    Type: Application
    Filed: March 13, 2007
    Publication date: September 13, 2007
    Inventors: Kiyoshi Nagasawa, Shiro Kihara
  • Communication control method
    Patent number: 7212803
    Abstract: A communication control method for controlling data communication conducted between a portable information communication terminal and a data communication apparatus via a communication network including a radio communication network includes the steps of: determining whether data communication between a portable information communication terminal and a data communication apparatus has been interrupted by disconnection of a communication line; and in response to normal termination of data communication between a portable information communication terminal and a data communication apparatus, clearing accounting on data communication that was interrupted between said portable information communication terminal and a data communication apparatus by disconnection of a communication line within a predetermined time before the normal termination of the data communication.
    Type: Grant
    Filed: August 8, 2001
    Date of Patent: May 1, 2007
    Assignee: Hitachi, Ltd.
    Inventors: Kiyoshi Nagasawa, Shiro Kihara
  • Communication control method
    Publication number: 20020142802
    Abstract: A communication control method for controlling data communication conducted between a portable information communication terminal and a data communication apparatus via a communication network including a radio communication network includes the steps of: determining whether data communication between a portable information communication terminal and a data communication apparatus has been interrupted by disconnection of a communication line; and in response to normal termination of data communication between a portable information communication terminal and a data communication apparatus, clearing accounting on data communication that was interrupted between said portable information communication terminal and a data communication apparatus by disconnection of a communication line within a predetermined time before the normal termination of the data communication.
    Type: Application
    Filed: August 8, 2001
    Publication date: October 3, 2002
    Inventors: Kiyoshi Nagasawa, Shiro Kihara