Patents by Inventor Kazuhiro Horiba

Kazuhiro Horiba 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).

  • Network communication apparatus, communication system and communication method
    Patent number: 7388860
    Abstract: A network terminal apparatus in a type of directly connecting to a packet communication network, with an interface for connecting to a circuit under an environment of an SIP terminal network, and a capability of carrying out facsimile transmission/reception, carries out a call control method according to SIP, transmits and receives an SDP added to a message body of an SIP, and carries out, in a same session, both a call control session transmitting and receiving an SIP message and an SDP and a T.38 session transmitting and receiving a T.38 signal.
    Type: Grant
    Filed: September 10, 2004
    Date of Patent: June 17, 2008
    Assignee: Ricoh Company, Ltd.
    Inventor: Kazuhiro Horiba
  • Communication terminal equipment and communication system incorporating the same and communication management method therefor
    Patent number: 7305000
    Abstract: Contents of a self-terminal information table are compared with the contents of a registered self-terminal information table at or upon start-up after power-on and if a match is not met therebetween registration is made to the gatekeeper equipment after performing unregister operation thereto, thus ensuring advantageously that the contents of the self-terminal information table used in a self-terminal always match the contents registered in the gatekeeper equipment thereby to enable any associated terminal equipment to use the gatekeeper equipment appropriately.
    Type: Grant
    Filed: February 18, 2003
    Date of Patent: December 4, 2007
    Assignee: Ricoh Company, Ltd.
    Inventor: Kazuhiro Horiba
  • Network communication apparatus, communication system and communication method
    Publication number: 20050058123
    Abstract: A network terminal apparatus in a type of directly connecting to a packet communication network, with an interface for connecting to a circuit under an environment of an SIP terminal network, and a capability of carrying out facsimile transmission/reception, carries out a call control method according to SIP, transmits and receives an SDP added to a message body of an SIP, and carries out, in a same session, both a call control session transmitting and receiving an SIP message and an SDP and a T.38 session transmitting and receiving a T.38 signal.
    Type: Application
    Filed: September 10, 2004
    Publication date: March 17, 2005
    Inventor: Kazuhiro Horiba
  • Communication terminal equipment and communication system incorporating the same and communication management method therefor
    Publication number: 20030179763
    Abstract: Contents of a self-terminal information table are compared with the contents of a registered self-terminal information table at or upon start-up after power-on and if a match is not met therebetween registration is made to the gatekeeper equipment after performing unregister operation thereto, thus ensuring advantageously that the contents of the self-terminal information table used in a self-terminal always match the contents registered in the gatekeeper equipment thereby to enable any associated terminal equipment to use the gatekeeper equipment appropriately.
    Type: Application
    Filed: February 18, 2003
    Publication date: September 25, 2003
    Applicant: Ricoh Company Ltd.
    Inventor: Kazuhiro Horiba