Moriguchi
Japan
4
2008-07-01
The entities that hold a legal rights for patent applications filed by inventor Okamoto Ryuichi:
Ryuichi Okamoto from Moriguchi, JP has applied for patents for these inventions. The list has both pending applications and granted patents:
Content usage management system and server used in the system
#2 | 2006-09-05License management server, license management system and usage restriction method
#3 | 2005-12-29User terminal program designated not to receive contents that cannot achieve users' object
#4 | 2005-09-20System, method, program and storage medium for saving power
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