Patents by Inventor Toyonori Ashihara

Toyonori Ashihara 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).

  • Contract system and communication method for cellular phone
    Patent number: 6836652
    Abstract: According to the present invention, multiple contract sets, which are selectable by the user of the cellular phone and which each include a phone number, an available service, a payment method and a payer as contract clauses, are registered in the single cellular phone as contracts for the respective multiple phone numbers; and the cellular phone communication system manages communications for every contract sets according to the contract clauses defined in the respective contract sets and charges rates separately for the respective contract sets.
    Type: Grant
    Filed: December 12, 2002
    Date of Patent: December 28, 2004
    Assignee: NEC Corporation
    Inventors: Keiko Arima, Toyonori Ashihara
  • Contract system and communication method for cellular phone
    Publication number: 20030119479
    Abstract: According to the present invention, multiple contract sets, which are selectable by the user of the cellular phone and which each include a phone number, an available service, a payment method and a payer as contract clauses, are registered in the single cellular phone as contracts for the respective multiple phone numbers; and the cellular phone communication system manages communications for every contract sets according to the contract clauses defined in the respective contract sets and charges rates separately for the respective contract sets.
    Type: Application
    Filed: December 12, 2002
    Publication date: June 26, 2003
    Applicant: NEC CORPORATION
    Inventors: Keiko Arima, Toyonori Ashihara