Patents by Inventor Hiroyasu Hayashida

Hiroyasu Hayashida 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).

  • Publication number: 20200201982
    Abstract: An information processing device includes: processing circuitry that implements a switch unit, a verification unit, and a registration unit. The switch unit switches between a registration mode in which execution of registration in management information to manage a terminal to be authenticated is enabled and a non-registration mode in which execution of the registration is disabled. The verification unit, in response to receiving a terminal registration request including terminal identification information that identifies a terminal device, certification information expressing a public key or a certificate, and an authentication code that is determined in advance from the terminal device in the registration mode, verifies the authentication code.
    Type: Application
    Filed: November 21, 2019
    Publication date: June 25, 2020
    Applicant: FUJITSU CLIENT COMPUTING LIMITED
    Inventors: Masanori Kawahara, Hiroyasu Hayashida
  • Patent number: 7821989
    Abstract: A call management method makes a call management system perform a process of releasing resources that are secured for a terminal device that has become a communication disable state among resources in the call management system that are secured for each of the terminal devices under speech communication (#103 and #108), and sending a message for finishing speech communication to a terminal device on the other end of the speech communication without transmitting it to the terminal device that has become a communication disable state (#112), when it is detected that one of the terminal devices under speech communication with each other has become a communication disable state in a mobile communication network (#102).
    Type: Grant
    Filed: October 25, 2007
    Date of Patent: October 26, 2010
    Assignee: Fujitsu Limited
    Inventors: Hiroyasu Hayashida, Kaori Chigusa, Ryouji Nakamatsu
  • Publication number: 20080144630
    Abstract: A call management method makes a call management system perform a process of releasing resources that are secured for a terminal device that has become a communication disable state among resources in the call management system that are secured for each of the terminal devices under speech communication (#103 and #108), and sending a message for finishing speech communication to a terminal device on the other end of the speech communication without transmitting it to the terminal device that has become a communication disable state (#112), when it is detected that one of the terminal devices under speech communication with each other has become a communication disable state in a mobile communication network (#102).
    Type: Application
    Filed: October 25, 2007
    Publication date: June 19, 2008
    Applicant: FUJITSU LIMITED
    Inventors: Hiroyasu Hayashida, Kaori Chigusa, Ryouji Nakamatsu