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

William Stonecypher — 32 Patents

RARambus: 31 patents #62 of 549Top 15%
Chapel Hill, NC: #89 of 1,999 inventorsTop 5%
North Carolina: #1,193 of 45,564 inventorsTop 3%
Overall (All Time): #110,428 of 4,157,543Top 3%
32 Patents All Time
William Stonecypher has been granted 32 US patents while listed as an inventor at Rambus. The first was granted in 2000 and the most recent in June 2023. William Stonecypher ranks #110,428 of 4,157,543 US inventors in our database (top 2.7%). Patent records list William Stonecypher in Chapel Hill, NC, US.

Patents per Year

Patents granted per year, 2000 to 2023Bar chart with a peak of 6 patents in 2007.peak 62000: 1 patents20002001: 1 patents2002: 2 patents20022003: 2 patents2005: 3 patents20052006: 4 patents2007: 6 patents20072008: 2 patents2009: 1 patents20092010: 1 patents2011: 1 patents20112014: 3 patents2016: 2 patents20162018: 1 patents2020: 1 patents20202023: 1 patents2023

Issued Patents All Time

Showing 1–25 of 32 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11677391 Low-power multi-domain synchronizer Robert E. Palmer, Andrew M. Fuller 2023-06-13 $13,286,000
10855413 Method and apparatus for evaluating and optimizing a signaling system Jared L. Zerbe, Pak Shing Chau 2020-12-01 $2,531,000
9892771 Memory controller with dynamic core-transfer latency Robert E. Palmer 2018-02-13 $1,666,000
9368172 Read strobe gating mechanism Robert E. Palmer, Barry William Daly 2016-06-14 $4,349,000
9356743 Method and apparatus for evaluating and optimizing a signaling system Jared L. Zerbe, Pak Shing Chau 2016-05-31 $6,507,000
8812919 Method and apparatus for evaluating and optimizing a signaling system Jared L. Zerbe, Pak Shing Chau 2014-08-19 $2,826,000
8812918 Method and apparatus for evaluating and optimizing a signaling system Jared L. Zerbe, Pak Shing Chau 2014-08-19 $2,826,000
8756469 Method and apparatus for evaluating and optimizing a signaling system Jared L. Zerbe, Pak Shing Chau 2014-06-17 $4,743,000
8069378 Method and apparatus for evaluating and optimizing a signaling system Jared L. Zerbe, Pak Shing Chau 2011-11-29 $5,011,000
7765074 Circuit, apparatus and method for capturing a representation of a waveform from a clock-data recovery (CDR) unit Dennis Kim, Jared L. Zerbe, Mark A. Horowitz 2010-07-27 $8,770,000
7490275 Method and apparatus for evaluating and optimizing a signaling system Jared L. Zerbe, Pak Shing Chau 2009-02-10 $4,365,000
7360127 Method and apparatus for evaluating and optimizing a signaling system Jared L. Zerbe, Pak Shing Chau 2008-04-15 $10,225,000
7352234 Current control technique John B. Dillon, Michael Ching, Andy Peng-Pui Chan, Matthew Murdy Griffin, Billy Wayne Garrett, Jr. 2008-04-01 $16,618,000
7308058 Transparent multi-mode PAM interface Jared L. Zerbe, Carl W. Werner, Fred F. Chen 2007-12-11 $3,626,000
7288973 Method and apparatus for fail-safe resynchronization with minimum latency Jared L. Zerbe, Michael Ching, Abhijit M. Abhyankar, Richard M. Barth, Andy Peng-Pui Chan +1 more 2007-10-30 $26,205,000
7180958 Technique for utilizing spare bandwidth resulting from the use of a transition-limiting code in a multi-level signaling system Anthony Bessios, Carl W. Werner, Jared L. Zerbe 2007-02-20 $15,166,000
7180957 Technique for utilizing spare bandwidth resulting from the use of a transition-limiting code in a multi-level signaling system Anthony Bessios, Jared L. Zerbe, Carl W. Werner 2007-02-20 $15,166,000
7167039 Memory device having an adjustable voltage swing setting Billy Wayne Garrett, Jr., Michael Ching, Andy Peng-Pui Chan, Matthew Murdy Griffin, John B. Dillon 2007-01-23 $17,141,000
7162672 Multilevel signal interface testing with binary test apparatus by emulation of multilevel signals Carl W. Werner, Jared L. Zerbe, Haw-Jyh Liaw, Timothy Chang 2007-01-09 $9,900,000
7142612 Method and apparatus for multi-level signaling Mark A. Horowitz, Scott C. Best 2006-11-28 $23,587,000
7137048 Method and apparatus for evaluating and optimizing a signaling system Jared L. Zerbe, Pak Shing Chau 2006-11-14 $8,106,000
7113550 Technique for improving the quality of digital signals in a multi-level signaling system Anthony Bessios, Amita Agarwal 2006-09-26 $35,290,000
7076377 Circuit, apparatus and method for capturing a representation of a waveform from a clock-data recovery (CDR) unit Dennis Kim, Jared L. Zerbe, Mark A. Horowitz 2006-07-11 $38,727,000
6949958 Phase comparator capable of tolerating a non-50% duty-cycle clocks Jared L. Zerbe, Michael Ching, Abhijit M. Abhyankar, Richard M. Barth, Andy Peng-Pui Chan +1 more 2005-09-27 $8,632,000
6873939 Method and apparatus for evaluating and calibrating a signaling system Jared L. Zerbe, Pak Shing Chau 2005-03-29 $23,495,000