From that list Apple, Microsoft and Sony are licensors. Hence are very much key members of MPEG-LA. http://www.mpegla.com/main/programs/AVC/Pages/Licensors.as

From that list Apple, Microsoft and Sony are licensors. Hence are very much key members of MPEG-LA. http://www.mpegla.com/main/programs/AVC/Pages/Licensors.aspx http://www.mpegla.com/main/programs/AVC/Pages/Licensors.aspx