Patents by Inventor Kantarou Oota

Kantarou Oota 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).

  • Disk system and medium with contents play-back restriction mechanism
    Patent number: 7350038
    Abstract: A disk system has contents play-back restriction mechanism. A contents storage section, which contents received from a regular server are stored in. A capacitor charged with power supplied from the server. A volatile memory backed up by the capacitor and stores data necessary for the play-back of the contents received from the server. A controller for controlling the contents storage section and the volatile memory for reading and writing data when supplied with power from a regular player or the server.
    Type: Grant
    Filed: May 20, 2004
    Date of Patent: March 25, 2008
    Assignee: TDK Corporation
    Inventors: Yoshihide Kikuchi, Koichi Funaya, Osamu Ootsuka, Kantarou Oota, Naoki Soeda
  • Disk system and medium with contents play-back restriction mechanism
    Publication number: 20040215874
    Abstract: A disk system has contents play-back restriction mechanism. A contents storage section, which contents received from a regular server are stored in. A capacitor charged with power supplied from the server. A volatile memory backed up by the capacitor and stores data necessary for the play-back of the contents received from the server. A controller for controlling the contents storage section and the volatile memory for reading and writing data when supplied with power from a regular player or the server.
    Type: Application
    Filed: May 20, 2004
    Publication date: October 28, 2004
    Applicant: TDK CORPORATION
    Inventors: Yoshihide Kikuchi, Koichi Funaya, Osamu Ootsuka, Kantarou Oota, Naoki Soeda
  • Content rental system
    Publication number: 20020013940
    Abstract: A content rental system is disclosed, that comprises a content producer for producing a content, a rental business server, disposed in a store managed by a rental business operator, for recording the content produced by the content producer and downloading the content to a record medium corresponding to a command issued by a customer, and a reproducing device, disposed in the house of the customer, for reproducing the content from the record medium.
    Type: Application
    Filed: May 9, 2001
    Publication date: January 31, 2002
    Inventors: Yuji Tsukamoto, Takahiko Tsujisawa, Jun Ishikawa, Yasushi Kikkawa, Katsuaki Yamamoto, Satoshi Yamakawa, Kantarou Oota, Naoki Soeda, Yoshihide Kikuchi, Koichi Funaya, Osamu Otsuka
  • Disk system and medium with contents play-back restriction mechanism
    Publication number: 20020013883
    Abstract: A disk system has contents play-back restriction mechanism. A contents storage section, which contents received from a regular server are stored in. A capacitor charged with power supplied from the server. A volatile memory backed up by the capacitor and stores data necessary for the play-back of the contents received from the server. A controller for controlling the contents storage section and the volatile memory for reading and writing data when supplied with power from a regular player or the server.
    Type: Application
    Filed: July 25, 2001
    Publication date: January 31, 2002
    Applicant: NEC CORPORATION
    Inventors: Yoshihide Kikuchi, Koichi Funaya, Osamu Ootsuka, Kantarou Oota, Naoki Soeda