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USPTO Patent Rankings Data through Dec 31, 2025
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David Karchmer — 27 Patents

Intel: 27 patents #1,442 of 30,777Top 5%
Sunnyvale, CA: #881 of 14,302 inventorsTop 7%
California: #19,967 of 386,348 inventorsTop 6%
Overall (All Time): #142,059 of 4,157,543Top 4%
27 Patents All Time
David Karchmer has been granted 27 US patents while listed as an inventor at Intel. The first was granted in 1998 and the most recent in September 2015. David Karchmer ranks #142,059 of 4,157,543 US inventors in our database (top 3.4%). Patent records list David Karchmer in Sunnyvale, CA, US.

Issued Patents All Time

Showing 1–25 of 27 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9122826 Method and apparatus for performing compilation using multiple design flows Terry Borer, Andrew Leaver, Gabriel Quan, Stephen D. Brown 2015-09-01 $43,351,000
8589838 M/A for performing incremental compilation using top-down and bottom-up design approaches Terry Borer, Andrew Leaver, Gabriel Quan, Stephen D. Brown 2013-11-19 $6,038,000
8572530 Method and apparatus for performing path-level skew optimization and analysis for a logic design Ryan Fung, Vaughn Betz 2013-10-29 $8,624,000
8516504 Method for adding device information by extending an application programming interface Jim Park 2013-08-20 $7,537,000
8250505 Method and apparatus for performing incremental compilation using top-down and bottom-up design approaches Terry Borer, Andrew Leaver, Gabriel Quan, Stephen D. Brown 2012-08-21 $17,072,000
8161469 Method and apparatus for comparing programmable logic device configurations Mihail Iotov, Erhard Joachim Pistorius, Jim Park 2012-04-17 $12,323,000
8112728 Early timing estimation of timing statistical properties of placement Michael D. Hutton 2012-02-07 $32,350,000
8001537 Method and apparatus for compiling programmable logic device configurations Mihail Iotov, David Neto, Pouyan Djahani, Kumara Tharmalingam 2011-08-16 $9,115,000
7877721 Methods for producing equivalent field-programmable gate arrays and structured application-specific integrated circuits James Schleicher 2011-01-25 $13,497,000
7853911 Method and apparatus for performing path-level skew optimization and analysis for a logic design Ryan Fung, Vaughn Betz 2010-12-14 $31,320,000
7784008 Performance visualization system Michael D. Hutton, Zhiru Zhang 2010-08-24 $10,041,000
7725856 Method and apparatus for performing parallel slack computation Jason Govig 2010-05-25 $3,835,000
7669157 Method and apparatus for performing incremental compilation using top-down and bottom-up design approaches Terry Borer, Andrew Leaver, Gabriel Quan, Stephen D. Brown 2010-02-23 $16,218,000
7587688 User-directed timing-driven synthesis Babette van Antwerpen, Jinyong Yuan 2009-09-08 $3,731,000
7584443 Clock domain conflict analysis for timing graphs Jason Govig, William B. Davis 2009-09-01 $10,001,000
7577929 Early timing estimation of timing statistical properties of placement Michael D. Hutton 2009-08-18 $9,782,000
7464362 Method and apparatus for performing incremental compilation Terry Borer, Jason Govig, Andrew Leaver, Gabriel Quan, Kevin Chan +2 more 2008-12-09 $8,318,000
7358766 Mask-programmable logic device with programmable portions Jimmy Lawson, Marwan A. Khalaf 2008-04-15 $4,201,000
7275232 Methods for producing equivalent field-programmable gate arrays and structured application specific integrated circuits James Schleicher 2007-09-25 $7,011,000
7231337 Using assignment decision diagrams with control nodes for sequential review during behavioral simulation Daniel S. Stellenberg 2007-06-12 $10,773,000
7064580 Mask-programmable logic device with programmable portions Jimmy Lawson, Marwan A. Khalaf 2006-06-20 $6,360,000
6961690 Behaviorial digital simulation using hybrid control and data flow representations Daniel S. Stellenberg 2005-11-01 $12,939,000
6697773 Using assignment decision diagrams with control nodes for sequential review during behavioral simulation Daniel S. Stellenberg 2004-02-24 $83,749,000
6173245 Programmable logic array device design using parameterized logic modules Scott Redman, Jeffrey Chao-Nan Chen, James Schleicher 2001-01-09 $134,612,000
6167364 Methods and apparatus for automatically generating interconnect patterns in programmable logic devices Daniel S. Stellenberg 2000-12-26 $117,653,000