Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Carrie E. Cox — 24 Patents

IBM: 20 patents #5,465 of 70,183Top 8%
Qualcomm: 3 patents #4,553 of 12,104Top 40%
GUGlobalfoundries U.S.: 1 patents #363 of 211Top 175%
Apex, NC: #86 of 1,394 inventorsTop 7%
North Carolina: #1,791 of 45,564 inventorsTop 4%
Overall (All Time): #168,038 of 4,157,543Top 5%
24 Patents All Time
Carrie E. Cox has been granted 24 US patents while listed as an inventor at IBM. The first was granted in 2007 and the most recent in December 2025. Carrie E. Cox ranks #168,038 of 4,157,543 US inventors in our database (top 4.0%). Patent records list Carrie E. Cox in Apex, NC, US.

Patents per Year

Patents granted per year, 2007 to 2023Bar chart with a peak of 4 patents in 2008.peak 42007: 2 patents20072008: 4 patents2009: 3 patents20092010: 3 patents2011: 1 patents20112013: 1 patents2014: 1 patents20142015: 3 patents2017: 1 patents20172019: 2 patents2021: 1 patents20212023: 1 patents2023

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12513028 Orthogonal impedance tuning and feed forward equalization for segmented multiple level SST transmitter Marcel A. Kossel, Eric John Lukes 2025-12-30
11804828 Dual duty cycle correction loop for a serializer/deserializer (SerDes) transmitter output Jieming Qi, Daniel M. Dreps, Glen A. Wiedemeier, Eric John Lukes, Timothy O. Dickson 2023-10-31 $8,788,000
10998720 T-coil enhanced ESD protection with passive equalization Xiaobin Yuan, Joseph Natonio, Siqi Fan 2021-05-04 $31,958,000
10411873 Clock data recovery broadcast for multi-lane SerDes Brian J. Schuh, Michael R. Trombley, Robert M. Bunce 2019-09-10 $12,596,000
10218391 Systems and methods providing a low-power mode for serial links Robert M. Bunce, Victor Moy 2019-02-26 $8,408,000
9600232 Aligning FIFO pointers in a data communications lane of a serial link John J. Bergkvist, Jr., John K. Koehler, Todd E. Leonard 2017-03-21 $2,195,000
9184948 Decision feedback equalizer (‘DFE’) with a plurality of independently-controlled isolated power domains Minhan Chen, Steven M. Clements, Todd M. Rasmus 2015-11-10
8989313 Adaptable receiver detection John J. Bergkvist, Jr., Steven M. Clements, Hayden C. Cranford, Jr., Todd E. Leonard 2015-03-24 $3,177,000
8929040 ESD protection device for SST transmitter Robert J. Gauthier, Jr., Junjun Li, Xingle Wang 2015-01-06 $2,134,000
8841893 Dual-loop voltage regulator architecture with high DC accuracy and fast response time John F. Bulzacchelli, Zeynep Toprak-Deniz, Daniel J. Friedman, Joseph A. Iadanza, Todd M. Rasmus 2014-09-23 $6,171,000
8618833 Source series terminated driver circuit with programmable output resistance, amplitude reduction, and equalization John J. Bergkvist, Jr., Todd E. Leonard 2013-12-31 $6,686,000
7995660 Receiver termination circuit for a high speed direct current (DC) serial link Hayden C. Cranford, Jr. 2011-08-09 $2,733,000
7769057 High speed serial link output stage having self adaptation for various impairments Steven M. Clements, Hayden C. Cranford, Jr. 2010-08-03 $4,325,000
7698802 Method for manufacturing a calibration device Steven M. Clements, William P. Cornwell, Hayden C. Cranford, Jr., Vernon R. Norman 2010-04-20 $4,962,000
7671678 Serial link output stage differential amplifier and method Hayden C. Cranford, Jr. 2010-03-02 $8,802,000
7570071 Impedance calibration for source series terminated serial link transmitter Steven M. Clements, William P. Cornwell, Hayden C. Cranford, Jr., Vernon R. Norman 2009-08-04 $13,849,000
7522000 Design structure for a serial link output stage differential amplifier Hayden C. Cranford, Jr. 2009-04-21 $5,028,000
7511530 Nodal charge compensation for SST driver having data mux in output stage Hayden C. Cranford, Jr., Kenneth J. Shaw, Marc Turcotte 2009-03-31 $5,042,000
7460602 Method for performing high speed serial link output stage having self adaptation for various impairments Steven M. Clements, Hayden C. Cranford, Jr. 2008-12-02 $5,263,000
7411422 Driver/equalizer with compensation for equalization non-idealities Steven M. Clements, Hayden C. Cranford, Jr. 2008-08-12 $8,244,000
7391266 Serial link output stage differential amplifier and method Hayden C. Cranford, Jr. 2008-06-24 $7,053,000
7368902 Impedance calibration for source series terminated serial link transmitter Steven M. Clements, William P. Cornwell, Hayden C. Cranford, Jr., Vernon R. Norman 2008-05-06 $12,943,000
7307447 Self series terminated serial link transmitter having segmentation for amplitude, pre-emphasis, and slew rate control and voltage regulation for amplitude accuracy and high voltage protection Steven M. Clements, William P. Cornwell, Hayden C. Cranford, Jr., Todd M. Rasmus 2007-12-11 $7,826,000
7187206 Power savings in serial link transmitters Steven M. Clements, Hayden C. Cranford, Jr. 2007-03-06 $6,019,000