Patents by Inventor Hirobumi Nakayama

Hirobumi Nakayama 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).

  • Patent number: 8041340
    Abstract: A personal information protecting method of this invention protects personal information saved in a software program installed on a mobile terminal or in a module insertable into and removable from the mobile terminal. The software program installed on the mobile terminal or the module inserted in the mobile terminal is locked or unlocked depending on a state of the mobile terminal.
    Type: Grant
    Filed: March 28, 2007
    Date of Patent: October 18, 2011
    Assignee: NTT DoCoMo, Inc.
    Inventors: Shinzo Ohkubo, Hirobumi Nakayama
  • Publication number: 20070232270
    Abstract: A personal information protecting method of this invention protects personal information saved in a software program installed on a mobile terminal or in a module insertable into and removable from the mobile terminal. The software program installed on the mobile terminal or the module inserted in the mobile terminal is locked or unlocked depending on a state of the mobile terminal.
    Type: Application
    Filed: March 28, 2007
    Publication date: October 4, 2007
    Applicant: NTT DoCoMo, Inc.
    Inventors: Shinzo Ohkubo, Hirobumi Nakayama
  • Publication number: 20040073580
    Abstract: It is possible to use a content in various ways while protecting rights assigned to the content including copyright. Output permission level judgment means (22) judges an output permission level (L1 to Ln) described in content files (F1 to Fn). According to the output permission level (L1 to Ln), output control means (23) permits the content files (F1 to Fn) to be stored in internal storage means (24) and an external memory (27) or image-output to a main body monitor (25) and an external monitor (26) or transferred via a communication network (11).
    Type: Application
    Filed: August 21, 2003
    Publication date: April 15, 2004
    Inventors: Hirobumi Nakayama, Yoshiaki Maeda, Toshihiro Inomata, Riko Nagai