YC

Yi Cheng

Ericsson: 18 patents #712 of 9,909Top 8%
SS St-Ericsson Sa: 2 patents #146 of 771Top 20%
📍 Solna, SE: #50 of 551 inventorsTop 10%
Overall (All Time): #221,044 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDate
10931644 Methods, network nodes, mobile entity, computer programs and computer program products for protecting privacy of a mobile entity Karl Norrman, John Mattsson, Mats Näslund 2021-02-23
9628271 Key management for secure communication Rolf Blom, Fredrik Lindholm, John Mattsson, Mats Näslund, Karl Norrman 2017-04-18
9226041 Method and device for imposing usage constraints of digital content Ulf Bjorkengren, Frank Hartung, Daniel Catrein 2015-12-29
9177112 Method and device for communicating digital content Ulf Bjorkengren, Daniel Cantrein, Frank Hartung 2015-11-03
9178696 Key management for secure communication Rolf Blom, Fredrik Lindholm, John Mattsson, Mats Näslund, Karl Norrman 2015-11-03
9077591 Dias-dynamic IMPU assignment service Luis Barriga 2015-07-07
8966105 Sending secure media streams Rolf Blom, John Mattsson, Mats Näslund, Karl Norrman 2015-02-24
8914902 Method for user privacy protection Simon Moritz, Tor Kvernvik 2014-12-16
8832821 Method and apparatuses for end-to-edge media protection in an IMS system Luis Barriga, Rolf Blom, Fredrik Lindholm, Mats Näslund, Karl Norrman 2014-09-09
8806208 Apparatuses and methods for enabling a user to consume protected contents of a content provider Ulf Bjorkengren, Daniel Catrein, Frank Hartung 2014-08-12
8738910 Method and arrangement for enabling play-out of media Göran Selander, Mattias Eld, Frank Hartung, Michael Liljenstam, Mats Näslund 2014-05-27
8645680 Sending media data via an intermediate node Rolf Blom, John Mattsson, Mats Näslund, Karl Norrman 2014-02-04
8560835 Method and apparatus for machine-to-machine communication Mattias Johansson, Vincent Huang 2013-10-15
8549615 Method and apparatuses for end-to-edge media protection in an IMS system Luis Barriga, Rolf Blom, Fredrik Lindholm, Mats Näslund, Karl Norrman 2013-10-01
8539564 IP multimedia security Mats Näslund, Rolf Blom, Fredrik Lindholm, Karl Norrman 2013-09-17
8417952 Method for Digital Rights Management in a mobile communications network Luis Barriga, Karl Norrman 2013-04-09
8234497 Method and apparatus for providing secure linking to a user identity in a digital rights management system Frank Hartung, Nilo Mitra, Ignacio Mas Ivars 2012-07-31
8078733 IMS-enabled control channel for IPTV Bo Astrom, Ignacio Más Ivars, Hans Carlsson, Karl Norrman 2011-12-13
6418130 Reuse of security associations for improving hand-over performance Lars Bjorup, Martin Jakob Rinman, Karl Dan Gustav Jerrestam 2002-07-09
6370380 Method for secure handover Arne Norefors, Lorens Almehag, Karl Dan Gustav Jerrestam 2002-04-09