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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
MK

Mark John Karol — 46 Patents

ATAT&T: 31 patents #479 of 18,772Top 3%
AVAvaya: 14 patents #96 of 1,730Top 6%
American Telephone And Telegraph: 1 patents #132 of 699Top 20%
TTTelcordia Technologies: 1 patents #200 of 424Top 50%
Fair Haven, NJ: #7 of 131 inventorsTop 6%
New Jersey: #1,082 of 69,400 inventorsTop 2%
Overall (All Time): #62,001 of 4,157,543Top 2%
46 Patents All Time
Mark John Karol has been granted 46 US patents while listed as an inventor at AT&T. The first was granted in 1990 and the most recent in April 2016. Mark John Karol ranks #62,001 of 4,157,543 US inventors in our database (top 1.5%). Patent records list Mark John Karol in Fair Haven, NJ, US.

Patents per Year

Patents granted per year, 1990 to 2016Bar chart with a peak of 5 patents in 2000.peak 51990: 4 patents19901991: 2 patents1992: 4 patents19921993: 2 patents1994: 2 patents19941995: 4 patents1997: 3 patents19971998: 3 patents2000: 5 patents20002003: 1 patents2005: 1 patents20052007: 1 patents2008: 1 patents20082010: 5 patents2011: 2 patents20112012: 2 patents2013: 3 patents20132016: 1 patents2016

Issued Patents All Time

Showing 1–25 of 46 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9306852 Coding and packet distribution for alternative network paths in telecommunications networks Eric John Diethorn, Bengi Karacali-Akyamac, Anjur Sundaresan Krishnakumar, Parameshwaran Krishnan, Jean Meloche 2016-04-05
8472313 System and method for optical bypass routing and switching 2013-06-25
8391154 Probationary admission control in relay networks Bengi Karacali-Akyamac, Parameshwaran Krishnan, Jean Meloche 2013-03-05
8392711 Staged establishment of secure strings of symbols 2013-03-05
8266165 Adaptive parameterized search algorithm Bengi Karacali-Akyamac, Parameshwaran Krishnan 2012-09-11
8107385 Evaluating quality of service in an IP network with cooperating relays Bengi Karacali-Akyamac, Anjur Sundaresan Krishnakumar, Parameshwaran Krishnan, Jean Meloche 2012-01-31
7961647 Detecting interfering packet streams in packet networks Bengi Karacali-Akyamac 2011-06-14
7953023 Adaptive partitioning of traffic without additional probe traffic Bengi Karacali-Akyamac, Parameshwaran Krishnan, Jean Meloche 2011-05-31
7782787 Rapid fault detection and recovery for internet protocol telephony Parameshwaran Krishnan, Juan Li 2010-08-24
7720005 Estimating network-layer topology using end-to-end measurements Bengi Karacali-Akyamac 2010-05-18
7720004 Interfering packet streams in packet networks Bengi Karacali-Akyamac, Balaji Sathyanarayana Rao 2010-05-18
7715417 Creating a telecommunications channel from multiple channels that have differing signal-quality guarantees 2010-05-11
7697460 Evaluating feasible transmission paths in a packet network Bengi Karacali-Akyamac, P Krishnan, Jean Meloche 2010-04-13
7463652 System and method for notification of internet users about faults detected on an IP network P. Krishnan, Juan Li 2008-12-09
7188189 System and method to improve the resiliency and performance of enterprise networks by utilizing in-built network redundancy P. Krishnan, Juan Li 2007-03-06 $37,109,000
6859435 Prevention of deadlocks and livelocks in lossless, backpressured packet networks David Lee, S. Jamaloddin Golestani 2005-02-22 $11,625,000
6628617 Technique for internetworking traffic on connectionless and connection-oriented networks Malathi Veeraraghavan 2003-09-30 $17,603,000
6122275 Real-time processing for virtual circuits in packet switching Sanjoy Paul, Clark Woodworth 2000-09-19 $40,402,000
6064662 System and method for optimizing spectral efficiency using time-frequency-code slicing Richard D. Gitlin, Zygmunt Haas, Clark Woodworth 2000-05-16
6058422 Wireless internet access system Ender Ayanoglu, Kai Y. Eng, Pramod Pancha 2000-05-02 $96,316,000
6018528 System and method for optimizing spectral efficiency using time-frequency-code slicing Richard D. Gitlin, Zygmunt Haas, Clark Woodworth 2000-01-25
6014385 Method and apparatus for transmitting packetized data over a common communications channel Ender Ayanoglu, Kai Y. Eng 2000-01-11 $85,575,000
5822309 Signaling and control architecture for an ad-hoc ATM LAN Ender Ayanoglu, Kai Y. Eng, Pramod Pancha, Clark Woodworth, Malathi Veeraraghavan 1998-10-13 $36,334,000
5757783 Method and apparatus for routing ATM cells in an AD-ATM LAN Kai Y. Eng, Malathi Veeraraghavan 1998-05-26 $23,982,000
5751708 Access method for broadband and narrowband networks Kai Y. Eng 1998-05-12 $21,440,000