Data processing: financial – business practice – management – or co – Business processing using cryptography – Usage protection of distributed data files
Reexamination Certificate
2008-03-18
2008-03-18
Cheung, Mary D. (Department: 3694)
Data processing: financial, business practice, management, or co
Business processing using cryptography
Usage protection of distributed data files
C713S165000
Reexamination Certificate
active
11358075
ABSTRACT:
A contents distribution system uses a copyright rental use scheme in which the economical burden on the users at a time of utilizing contents can be reduced to a reasonable level, and appropriate fees can be collected for the copyrights of the contents created and provided at each stage by the raw material creators and the secondary product creators. In this system, the secondary product creator can create the secondary product contents by incorporating the raw material contents for free, and sell the secondary product contents. The end-user pays respective utilization fees to the secondary product creator and each raw material provider at a time of the purchasing the secondary product contents.
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Hamada Shinichiro
Seki Toshibumi
Cheung Mary D.
Kabushiki Kaisha Toshiba
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