Issued Patents All Time
Showing 25 most recent of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9137315 | E911 location server | Elliot G. Eichen, Eric R. Sporel, Derek Mitsumori | 2015-09-15 |
| 8737385 | PBX call management | Eric R. Sporel, Robert H. Liao, Derek Mitsumori, Sujin Catherine Chang, James Flynn | 2014-05-27 |
| 8582724 | E911 location server | Elliot G. Eichen, Derek Mitsumori, Eric R. Sporel | 2013-11-12 |
| 8270958 | Apparatus, system and method for automated communication forwarding | Lee N. Goodman | 2012-09-18 |
| 8265068 | Mapping of IP phones for E911 | Eric R. Sporel | 2012-09-11 |
| 7920692 | PBX call management | Eric R. Sporel, Robert H. Liao, Derek Mitsumori, Sujin Catherine Chang, James Flynn | 2011-04-05 |
| 7711094 | E911 location server | Elliot G. Eichen, Derek Mitsumori, Eric R. Sporel | 2010-05-04 |
| 7706356 | Mapping of IP phones for E911 | Eric R. Sporel | 2010-04-27 |
| 7346043 | Allocation of channel capacity in multiservice networks | James O'Brien, Robert Israel, Harry Edward Mussman, David Frederick McGuigan | 2008-03-18 |
| 7239629 | Multiservice network | Robert Israel, Elliot G. Eichen | 2007-07-03 |
| 6940849 | System and method for IP telephony ping | Elliot G. Eichen, Robert Israel, Evegeni Belin | 2005-09-06 |
| RE38359 | Optical signal equalizer for wavelength division multiplexed optical fiber systems | — | 2003-12-23 |
| 6633572 | Ethernet to ADSL adapter | Shuang Deng, Alan R. Bugos | 2003-10-14 |
| 6567854 | Internet service delivery via server pushed personalized advertising dashboard | Steven Richard Winnett | 2003-05-20 |
| 6493437 | Advertising-subsidized PC-telephony | — | 2002-12-10 |
| 6272550 | Method and apparatus for acknowledging top data packets | Shuang Deng | 2001-08-07 |
| 6208647 | Multicast extension to data link layer protocols | Shuang Deng | 2001-03-27 |
| 6061357 | Ethernet to ADSL adapter | Shuang Deng, Alan R. Bugos | 2000-05-09 |
| 5961605 | Method and apparatus for acknowledging TCP data packets | Shuang Deng | 1999-10-05 |
| 5854699 | Multiplexed subcarrier control in wavelength division multiplexed broadband networks | — | 1998-12-29 |
| 5612806 | Acknowledgement using subcarrier multiplexed tones | Shing-Fong Su | 1997-03-18 |
| 5546190 | Carrier and clock recovery for lightwave systems | Paul M. Hill | 1996-08-13 |
| 5418785 | Multiple-channel token ring network with single optical fiber utilizing subcarrier multiplexing with a dedicated control channel | Paul M. Hill | 1995-05-23 |
| 5301058 | Single sideband optical modulator for lightwave systems | — | 1994-04-05 |
| 5299057 | Monolithically integrated optical amplifier and photodetector tap | William C. Rideout, Elliot G. Eichen | 1994-03-29 |