Assignee
KOZUKA MASAYUKI
JP·5 granted patents·6 citations·filing 2007–2012
Top patents by PatentIndex Score
5 records- 0185US8145037B2Recording medium, playback device, recording method, playback method, and computer programKOZUKA MASAYUKI·Filed 2007·Granted Mar 27, 2012·3 cites·5 claims
- 0267US9166980B2Content management system, management server, memory media device and content management methodKOZUKA MASAYUKI·Filed 2012·Granted Oct 20, 2015·2 cites·16 claims
- 0361US8997216B2Recording medium apparatus and control method for authenticating a device based on a revocation listKOZUKA MASAYUKI·Filed 2012·Granted Mar 31, 2015·1 cites·10 claims
- 0456US8145036B2Recording medium, playback device, recording method, playback method, and computer programKOZUKA MASAYUKI·Filed 2007·Granted Mar 27, 2012·0 cites·3 claims
- 0541US9178702B2Revocation list generation device, revocation list generation method, and content management systemKOZUKA MASAYUKI·Filed 2012·Granted Nov 3, 2015·0 cites·11 claims
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