PC

Prabhakar R. Chitrapu

IT Interdigital Technology: 74 patents #23 of 338Top 7%
IH Interdigital Patent Holdings: 30 patents #76 of 824Top 10%
AT AT&T: 5 patents #3,608 of 18,772Top 20%
DI Dialogic: 5 patents #6 of 127Top 5%
SI Signal Trust For Wireless Innovation: 4 patents #13 of 23Top 60%
📍 Blue Bell, PA: #1 of 285 inventorsTop 1%
🗺 Pennsylvania: #111 of 74,527 inventorsTop 1%
Overall (All Time): #10,133 of 4,157,543Top 1%
119
Patents All Time

Issued Patents All Time

Showing 76–100 of 119 patents

Patent #TitleCo-InventorsDate
7929409 Orthogonal frequency division multiplexing (OFDM) method and apparatus for protecting and authenticating wirelessly transmitted digital information John Kaewell, Robert L. Olesen, Sung-Hyuk Shin, John E. Hoffmann, Richard Herschaft 2011-04-19
7912093 Method and apparatus for providing piggybacked positive acknowledgement/negative acknowledgement field indicator and a polling indicator Aghili Behrouz, Marian Rudolf, Stephen G. Dick 2011-03-22
7904723 Method and apparatus for enhancing security of wireless communications Sung-Hyuk Shin, Alexander Reznik, Guodong Zhang 2011-03-08
7802171 Wireless communication method and system for bit interleaved coded modulation and iterative decoding Yingxue Li 2010-09-21
7782834 Routing header based routing in internet protocol (IP)-cellular networks 2010-08-24
7711364 User equipment (UE) assisted system database update Arty Chandra, Narayan Parappil Menon 2010-05-04
7657288 System and method utilizing dynamic beam forming for wireless communication signals Steven Jeffrey Goldberg 2010-02-02
7636842 System and method for providing variable security level in a wireless communication system Akinlolu Oloruntosi Kumoluyi, Alexander Reznik, Guodong Zhang, Sung-Hyuk Shin, Yingming Tsai 2009-12-22
7573890 Method and system for a low-overhead mobility management protocol in the internet protocol layer Sharif M. Shahrier 2009-08-11
7545780 Flow-based selective reverse tunneling in wireless local area network (WLAN)-cellular systems 2009-06-09
7532723 Tokens/keys for wireless communications Alain Charles Briancon, Akinlolu Oloruntosi Kumoluyi, Alan G. Carlton, Kiran K. Vanganuru, Richard Herschaft +9 more 2009-05-12
7505431 RLAN wireless telecommunication system with RAN IP gateway and methods Narayan Parappil Menon, Fatih M. Ozluturk, Shamim Akbar Rahman 2009-03-17
7489672 RLAN wireless telecommunication system with RAN IP gateway and methods Narayan Parappil Menon, Fatih M. Ozluturk, Leonid Kazakevich 2009-02-10
7444144 Initial cell search in wireless communication systems Alpaslan Demir, Donald M. Grieco, John W. Haim, Andrew F. Bednarz, Philip J. Pietraski +1 more 2008-10-28
7415043 Code division multiple access (CDMA) method and apparatus for protecting and authenticating wirelessly transmitted digital information John Kaewell, Robert L. Olesen, Sung-Hyuk Shin, John E. Hoffmann, Alexander Reznik 2008-08-19
7406068 TDD-RLAN wireless telecommunication system with RAN IP gateway and methods Narayan Parappil Menon, Yi-Ju Chao, Shamim Akbar Rahman 2008-07-29
7394795 RLAN wireless telecommunication system with RAN IP gateway and methods Narayan Parappil Menon, Fatih M. Ozluturk, Brian Kiernan, Shamim Akbar Rahman, Yi-Ju Chao 2008-07-01
7395055 Mobile wireless presence and situation management system and method John Kaewell 2008-07-01
7386009 Method and apparatus for transmission of internet control message protocol messages as short message service (SMS) messages in a communications network comprised of mobile stations Gautam G. Reddy 2008-06-10
7313393 Cognition models for wireless communication systems and method and apparatus for optimal utilization of a radio channel based on cognition model data 2007-12-25
7251488 Method and system for coordinating services in integrated WLAN-cellular systems 2007-07-31
7239874 Wireless communication method and system with controlled WTRU peer-to-peer communications Gautam G. Reddy, Leonid Kazakevich, Teresa Hunkeler, Arty Chandra 2007-07-03
7231220 Location based method and system for wireless mobile unit communication Gautam G. Reddy, Leonid Kazakevich, Teresa Hunkeler, Arty Chandra 2007-06-12
7190808 Method for watermarking recordings based on atmospheric conditions Steven Jeffrey Goldberg, Richard Herschaft, Alain Charles Briancon, Alan G. Carlton 2007-03-13
7155208 User controlled transaction archiving 2006-12-26