| 11627119 |
Fine grain rights management of streaming content |
Pekka Lahtinen |
2023-04-11 |
| RE47730 |
System and method for controlled copying and moving of content between devices and domains based on conditional encryption of content key depending on usage state |
Peter K. Chiu, Zheng Yan, Juha Hietasarka |
2019-11-12 |
| RE47595 |
System and method for controlled copying and moving of content between devices and domains based on conditional encryption of content key depending on usage state |
Peter K. Chiu, Zheng Yan, Juha Hietasarka |
2019-09-03 |
| 9225698 |
Fine grain rights management of streaming content |
Pekka Lahtinen |
2015-12-29 |
| 8549304 |
System and method for controlled copying and moving of content between devices and domains based on conditional encryption of content key depending on usage state |
Peter K. Chiu, Zheng Yan, Juha Hietasarka |
2013-10-01 |
| 8495749 |
Method, apparatus and computer program product for a content protection system for protecting personal content |
Juha-Pekka Luoma |
2013-07-23 |
| 8407803 |
Method, apparatus and computer program product for providing protected content to one or more devices by reacquiring the content from a service |
— |
2013-03-26 |
| 8234404 |
Proximity enforcement in heterogeneous network environments |
— |
2012-07-31 |
| 8230087 |
Enforcing geographic constraints in content distribution |
— |
2012-07-24 |
| 7844821 |
System and method for controlled copying and moving of content between devices and domains based on conditional encryption of content key depending on usage state |
Peter K. Chiu, Zheng Yan, Juha Hietasarka |
2010-11-30 |
| 7698568 |
System and method for using DRM to control conditional access to broadband digital content |
Ari Ikonen, Mauri Kangas, Tapani Heikkila |
2010-04-13 |
| 7613829 |
Proximity enforcement in heterogeneous network environments |
— |
2009-11-03 |
| 7568111 |
System and method for using DRM to control conditional access to DVB content |
Ari Ikonen, Mauri Kangas, Tapani Heikkila |
2009-07-28 |
| 7487363 |
System and method for controlled copying and moving of content between devices and domains based on conditional encryption of content key depending on usage |
Peter K. Chiu, Zheng Yan, Juha Hietasarka |
2009-02-03 |
| 6988204 |
System and method for key distribution and network connectivity |
Mauri Kangas |
2006-01-17 |
| 6959090 |
Content Protection scheme for a digital recording device |
Jan Mårtensson, Ola Lidholm, Valtteri Niemi, Juha Tomberg, Pasi Karkas +2 more |
2005-10-25 |