Inventor

NIN SIGFREDO ISMAEL

US8 patents

⚠️ This page may combine multiple inventors who share the name “NIN SIGFREDO ISMAEL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

IBM

5 patents

US6888944B2May 3, 2005

Function approximation using a centered cubic packing with tetragonal disphenoid extraction

IBM19 citations79

JIN HONGXIA

1 patent

US9520993B2Dec 13, 2016

Renewable traitor tracing

JIN HONGXIA5 citations72

BELLWOOD THOMAS ALEXANDER

1 patent

US8571209B2Oct 29, 2013

Recording keys in a broadcast-encryption-based system

BELLWOOD THOMAS ALEXANDER4 citations56

DEEN ROBERT GLENN

1 patent

US8391481B2Mar 5, 2013

Rebinding of content title keys in clusters of devices with distinct security levels

DEEN ROBERT GLENN0 citations37

NIN SIGFREDO ISMAEL

IBM

Method for assigning encryption keys

Coincidence-free media key block for content protection for recordable media

Method for ensuring content protection and subscription compliance

Method and means for evaluating a tetrahedral linear interpolation function

Function approximation using a centered cubic packing with tetragonal disphenoid extraction

JIN HONGXIA

Renewable traitor tracing

BELLWOOD THOMAS ALEXANDER

Recording keys in a broadcast-encryption-based system

DEEN ROBERT GLENN

Rebinding of content title keys in clusters of devices with distinct security levels