Patents by Inventor Masaaki Nagasaka

Masaaki Nagasaka 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).

  • Contents server and contents server system
    Patent number: 8700703
    Abstract: The present invention relates to a communication system, and the invention specifically provides a contents server that appropriately stores media contents from group users in a PoC Service and a conference service. The contents server includes: a recording unit that records media information from plural users in a communicatable state participating in a predetermined group, for each group; a detecting unit that detects a communicatable state or an uncommunicatable state of each participating user, at each predetermined time; and a deleting unit that deletes confirmed media information already recorded in the recording unit, upon detecting that all the participating users are in the communicatable state.
    Type: Grant
    Filed: May 8, 2007
    Date of Patent: April 15, 2014
    Assignee: Fujitsu Limited
    Inventors: Takashi Ueno, Kazutoshi Kobayashi, Hironobu Oshika, Shouichi Kimura, Tadaaki Tanaka, Takashi Kaneko, Masaaki Nagasaka, Keita Kobayashi
  • Telephone-line-connection method
    Patent number: 8401173
    Abstract: It is determined whether a call-connection condition set to a call-connection device is a first call-connection state or a second call-connection state. When the determination result shows that the first call-connection state is set, a call is connected from an originating terminal to a destination terminal. When the determination result shows that the second call-connection state is set, the call is connected from the originating terminal to the destination terminal and conversation-termination processing is performed without waiting for a disconnection request transmitted from the originating terminal or the destination terminal.
    Type: Grant
    Filed: April 4, 2007
    Date of Patent: March 19, 2013
    Assignee: Fujitsu Limited
    Inventors: Takashi Kaneko, Masaaki Nagasaka, Tadahiro Ohta, Tadaaki Tanaka, Keita Kobayashi, Norishige Ichihashi
  • Portable wireless terminal and its security system
    Patent number: 8208897
    Abstract: The present invention relates to a portable wireless terminal, and in particular, a portable wireless terminal such as a cellular phone, etc., and its security system that can reliably prevent, by remote control, improper use of the portable wireless terminal by a third party when it is lost or stolen.
    Type: Grant
    Filed: May 16, 2007
    Date of Patent: June 26, 2012
    Assignee: Fujitsu Limited
    Inventors: Takashi Kaneko, Tadaaki Tanaka, Masaaki Nagasaka, Keita Kobayashi
  • TELEPHONE-LINE-CONNECTION METHOD
    Publication number: 20070297598
    Abstract: It is determined whether a call-connection condition set to a call-connection device is a first call-connection state or a second call-connection state. When the determination result shows that the first call-connection state is set, a call is connected from an originating terminal to a destination terminal. When the determination result shows that the second call-connection state is set, the call is connected from the originating terminal to the destination terminal and conversation-termination processing is performed without waiting for a disconnection request transmitted from the originating terminal or the destination terminal.
    Type: Application
    Filed: April 4, 2007
    Publication date: December 27, 2007
    Applicant: FUJITSU LIMITED
    Inventors: Takashi KANEKO, Masaaki NAGASAKA, Tadahiro OHTA, Tadaaki TANAKA, Keita KOBAYASHI, Norishige ICHIHASHI
  • Portable wireless terminal and its security system
    Publication number: 20070281664
    Abstract: The present invention relates to a portable wireless terminal, and in particular, a portable wireless terminal such as a cellular phone, etc., and its security system that can reliably prevent, by remote control, improper use of the portable wireless terminal by a third party when it is lost or stolen.
    Type: Application
    Filed: May 16, 2007
    Publication date: December 6, 2007
    Inventors: Takashi Kaneko, Tadaaki Tanaka, Masaaki Nagasaka, Keita Kobayashi
  • Contents server and contents server system
    Publication number: 20070214217
    Abstract: The present invention relates to a communication system, and the invention specifically provides a contents server that appropriately stores media contents from group users in a PoC service and a conference service. The contents server includes: a recording unit that records media information from plural users in a communicatable state participating in a predetermined group, for each group; a detecting unit that detects a communicatable state or an uncommunicatable state of each participating user, at each predetermined time; and a deleting unit that deletes confirmed media information already recorded in the recording unit, upon detecting that all the participating users are in the communicatable state.
    Type: Application
    Filed: May 8, 2007
    Publication date: September 13, 2007
    Inventors: Takashi Ueno, Kazutoshi Kobayashi, Hironobu Oshika, Shouichi Kimura, Tadaaki Tanaka, Takashi Kaneko, Masaaki Nagasaka, Keita Kobayashi