Patents by Inventor Makoto-shi Yoshioka

Makoto-shi Yoshioka 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).

  • Data distribution system and recording device for use therein
    Publication number: 20020191764
    Abstract: A memory card (110) stores access restriction information (AC1) to a license information hold unit (1440) arranged in a TRM area. Access restriction information (AC1) has information for example of a frequency of reproduction allowed and a number of licenses owned. A controller (1420) in reproducing and transferring content initially confirms access restriction information (AC1) and thereafter effects reproduction and transfer and after the reproduction and transfer are effected updates access restriction information (AC1), as required, for storage in a license information hold unit (1440).
    Type: Application
    Filed: June 4, 2002
    Publication date: December 19, 2002
    Inventors: Yoshihiro Hori, Toshiaki Hioki, Miwa Kanamori, Masataka Takahashi, Takayuki Hasebe, Makoto-shi Yoshioka, Takahisa Hatakeyama, Tadaaki Tonegawa, Takeaki Anazawa