Patents by Inventor Hideki Nimura

Hideki Nimura 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).

  • Method and apparatus for recording information including secret information and method and apparatus for reproduction thereof
    Publication number: 20030070082
    Abstract: An information recording method for recording content information in a recording medium having at least re-readable area, comprising converting, based on a first conversion rule &phgr;1, first information including a first component for obtaining content control information, converting, based on a second conversion rule &phgr;2, second information including a second component for obtaining the first information, and writing the converted first information and the converted second information into the re-recordable area of the recording medium.
    Type: Application
    Filed: September 9, 2002
    Publication date: April 10, 2003
    Inventors: Hideki Nimura, Kouya Tochikubo, Taku Kato, Tooru Kamibayashi, Akio Tanaka, Hisashi Yamada, Tadashi Kojima