Patents by Inventor Yasuhiro Yanagi

Yasuhiro Yanagi 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 system provided with control apparatus between local network and external network
    Patent number: 6975635
    Abstract: A communication system includes a local terminal apparatus connected with a local network, a remote terminal apparatus connected with an external network, and a control apparatus interposed between the local network and the external network. The local terminal apparatus includes a reply section for returning an answer signal including a status information of a processing executing section via the local network in response to a request signal received via the local network. The control apparatus includes a gateway section for receiving the request signal transmitted from the remote terminal apparatus via the external network, and thereafter, transmitting the received request signal to the local terminal apparatus via the local network, and for receiving an answer signal corresponding to the request signal from the local terminal apparatus via the local network, and thereafter, transmitting the received answer signal to the remote terminal apparatus via the external network.
    Type: Grant
    Filed: June 12, 2001
    Date of Patent: December 13, 2005
    Assignee: Matsushita Electric Works, Ltd.
    Inventors: Hiroaki Takeyama, Hideo Sakamoto, Yasuhiro Yanagi, Yuzo Kawahara, Junji Senoo
  • Communication system provided with control apparatus between local network and external network
    Publication number: 20020018478
    Abstract: A communication system includes a local terminal apparatus connected with a local network, a remote terminal apparatus connected with an external network, and a control apparatus interposed between the local network and the external network. The local terminal apparatus includes a reply section for returning an answer signal including a status information of a processing executing section via the local network in response to a request signal received via the local network. The control apparatus includes a gateway section for receiving the request signal transmitted from the remote terminal apparatus via the external network, and thereafter, transmitting the received request signal to the local terminal apparatus via the local network, and for receiving an answer signal corresponding to the request signal from the local terminal apparatus via the local network, and thereafter, transmitting the received answer signal to the remote terminal apparatus via the external network.
    Type: Application
    Filed: June 12, 2001
    Publication date: February 14, 2002
    Applicant: Matsushita Electric Works, Ltd.
    Inventors: Hiroaki Takeyama, Hideo Sakamoto, Yasuhiro Yanagi, Yuzo Kawahara, Junji Senoo