Patents by Inventor Naoko Miyamoto

Naoko Miyamoto 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).

  • Recording data and using the recorded data
    Patent number: 10397204
    Abstract: A method and system for recording data including content in a recording medium on a computer apparatus. First encrypted data, obtained by encrypting the data using a medium key created for each recording medium, is recorded in a recording medium. Second encrypted data, obtained by encrypting the medium key using a public key, is recorded in the recording medium. A private key corresponding to the public key is not recorded in the recording medium.
    Type: Grant
    Filed: September 12, 2017
    Date of Patent: August 27, 2019
    Assignee: International Business Machines Corporation
    Inventors: Norihisa Hoshino, Kohichi Kamijoh, Takahiro Kashiuchi, Naoko Miyamoto, Maho Takara, Naohiko Uramoto, Katsushi Yamashita
  • Recording data and using the recorded data
    Patent number: 10397205
    Abstract: A method and system for recording data including content in a recording medium on a computer apparatus. First encrypted data, obtained by encrypting the data using a medium key created for each recording medium, is recorded in a recording medium. Second encrypted data, obtained by encrypting the medium key using a public key, is recorded in the recording medium. A private key corresponding to the public key is not recorded in the recording medium.
    Type: Grant
    Filed: September 12, 2017
    Date of Patent: August 27, 2019
    Assignee: International Business Machines Corporation
    Inventors: Norihisa Hoshino, Kohichi Kamijoh, Takahiro Kashiuchi, Naoko Miyamoto, Maho Takara, Naohiko Uramoto, Katsushi Yamashita
  • Recording data and using the recorded data
    Patent number: 9973482
    Abstract: A method and system for recording data including content in a recording medium on a computer apparatus. First encrypted data, obtained by encrypting the data using a medium key created for each recording medium, is recorded in a recording medium. Second encrypted data, obtained by encrypting the medium key using a public key, is recorded in the recording medium. A private key corresponding to the public key is not recorded in the recording medium.
    Type: Grant
    Filed: October 23, 2015
    Date of Patent: May 15, 2018
    Assignee: International Business Machines Corporation
    Inventors: Norihisa Hoshino, Kohichi Kamijoh, Takahiro Kashiuchi, Naoko Miyamoto, Maho Takara, Naohiko Uramoto, Katsushi Yamashita
  • Recording data and using the recorded data
    Patent number: 9904790
    Abstract: A method and system for recording data including content in a recording medium on a computer apparatus. First encrypted data, obtained by encrypting the data using a medium key created for each recording medium, is recorded in a recording medium. Second encrypted data, obtained by encrypting the medium key using a public key, is recorded in the recording medium. A private key corresponding to the public key is not recorded in the recording medium.
    Type: Grant
    Filed: December 9, 2016
    Date of Patent: February 27, 2018
    Assignee: International Business Machines Corporation
    Inventors: Norihisa Hoshino, Kohichi Kamijoh, Takahiro Kashiuchi, Naoko Miyamoto, Maho Takara, Naohiko Uramoto, Katsushi Yamashita
  • RECORDING DATA AND USING THE RECORDED DATA
    Publication number: 20180012027
    Abstract: A method and system for recording data including content in a recording medium on a computer apparatus. First encrypted data, obtained by encrypting the data using a medium key created for each recording medium, is recorded in a recording medium. Second encrypted data, obtained by encrypting the medium key using a public key, is recorded in the recording medium. A private key corresponding to the public key is not recorded in the recording medium.
    Type: Application
    Filed: September 12, 2017
    Publication date: January 11, 2018
    Inventors: Norihisa Hoshino, Kohichi Kamijoh, Takahiro Kashiuchi, Naoko Miyamoto, Maho Takara, Naohiko Uramoto, Katsushi Yamashita
  • RECORDING DATA AND USING THE RECORDED DATA
    Publication number: 20180012026
    Abstract: A method and system for recording data including content in a recording medium on a computer apparatus. First encrypted data, obtained by encrypting the data using a medium key created for each recording medium, is recorded in a recording medium. Second encrypted data, obtained by encrypting the medium key using a public key, is recorded in the recording medium. A private key corresponding to the public key is not recorded in the recording medium.
    Type: Application
    Filed: September 12, 2017
    Publication date: January 11, 2018
    Inventors: Norihisa Hoshino, Kohichi Kamijoh, Takahiro Kashiuchi, Naoko Miyamoto, Maho Takara, Naohiko Uramoto, Katsushi Yamashita
  • RECORDING DATA AND USING THE RECORDED DATA
    Publication number: 20170109538
    Abstract: A method and system for recording data including content in a recording medium on a computer apparatus. First encrypted data, obtained by encrypting the data using a medium key created for each recording medium, is recorded in a recording medium. Second encrypted data, obtained by encrypting the medium key using a public key, is recorded in the recording medium. A private key corresponding to the public key is not recorded in the recording medium.
    Type: Application
    Filed: December 9, 2016
    Publication date: April 20, 2017
    Inventors: Norihisa Hoshino, Kohichi Kamijoh, Takahiro Kashiuchi, Naoko Miyamoto, Maho Takara, Naohiko Uramoto, Katsushi Yamashita
  • RECORDING DATA AND USING THE RECORDED DATA
    Publication number: 20160191480
    Abstract: A method and system for recording data including content in a recording medium on a computer apparatus. First encrypted data, obtained by encrypting the data using a medium key created for each recording medium, is recorded in a recording medium. Second encrypted data, obtained by encrypting the medium key using a public key, is recorded in the recording medium. A private key corresponding to the public key is not recorded in the recording medium.
    Type: Application
    Filed: October 23, 2015
    Publication date: June 30, 2016
    Inventors: Norihisa Hoshino, Kohichi Kamijoh, Takahiro Kashiuchi, Naoko Miyamoto, Maho Takara, Naohiko Uramoto, Katsushi Yamashita