Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Paul J. Steffan — 69 Patents

AMD: 68 patents #70 of 9,280Top 1%
Elk Grove, CA: #3 of 301 inventorsTop 1%
California: #4,590 of 386,348 inventorsTop 2%
Overall (All Time): #29,979 of 4,157,543Top 1%
69 Patents All Time
Paul J. Steffan has been granted 69 US patents while listed as an inventor at AMD. The first was granted in 1998 and the most recent in September 2009. Paul J. Steffan ranks #29,979 of 4,157,543 US inventors in our database (top 0.72%). Patent records list Paul J. Steffan in Elk Grove, CA, US.

Patents per Year

Patents granted per year, 1998 to 2009Bar chart with a peak of 20 patents in 2001.peak 201998: 1 patents19981999: 8 patents19992000: 17 patents20002001: 20 patents20012002: 12 patents20022003: 4 patents20032005: 1 patents20052006: 3 patents20062007: 2 patents20072009: 1 patents2009

Issued Patents All Time

Showing 1–25 of 69 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7590309 Image processing in integrated circuit technology development Jeffrey P. Erhardt 2009-09-15 $69,401,000
7263451 Method and apparatus for correlating semiconductor process data with known prior process data Jeffrey P. Erhardt, Shivananda Shetty 2007-08-28 $7,142,000
7251793 Predicting defect future effects in integrated circuit technology development to facilitate semiconductor wafer lot disposition 2007-07-31 $9,995,000
7135879 Test structure and method for failure analysis of small contacts in integrated circuit technology development David C. Newbury 2006-11-14 $38,989,000
7137085 Wafer level global bitmap characterization in integrated circuit technology development John Jianshi Wang, Siu May Ho, Jeffrey P. Erhardt, Srikanth Sundararajan, David C. Newbury +2 more 2006-11-14 $38,989,000
7099789 Characterizing distribution signatures in integrated circuit technology Franklyn Shihyu Wu, Jeffrey P. Erhardt, Jerry Tsiang, Shivananda Shetty, John Jianshi Wang 2006-08-29 $13,087,000
6875560 Testing multiple levels in integrated circuit technology development Jeffrey P. Erhardt, Shivananda Shetty 2005-04-05 $7,987,000
6596591 Methods to form reduced dimension bit-line isolation in the manufacture of non-volatile memory devices Allen S. Yu, Chau M. Ho 2003-07-22 $3,195,000
6524916 Controlled gate length and gate profile semiconductor device and manufacturing method therefor Thomas C. Scholer, Allen S. Yu 2003-02-25 $1,843,000
6512842 Composition based association engine for image archival systems Allen S. Yu 2003-01-28 $2,528,000
6506639 Method of forming low resistance reduced channel length transistors Allen S. Yu 2003-01-14 $2,234,000
6468815 Overlay radius offset shift engine Allen S. Yu 2002-10-22 $2,399,000
6463171 Automatic defect resizing tool Allen S. Yu 2002-10-08 $890,000
6448606 Semiconductor with increased gate coupling coefficient Allen S. Yu, Thomas C. Scholer 2002-09-10 $1,244,000
6433371 Controlled gate length and gate profile semiconductor device Thomas C. Scholer, Allen S. Yu 2002-08-13 $2,174,000
6430572 Recipe management database system Allen S. Yu 2002-08-06 $1,934,000
6424881 Computer generated recipe selector utilizing defect file information Allen S. Yu 2002-07-23 $1,368,000
6423557 ADC based in-situ destructive analysis selection and methodology therefor Allen S. Yu 2002-07-23 $1,368,000
6421574 Automatic defect classification system based variable sampling plan Allen S. Yu 2002-07-16 $1,835,000
6395567 Process control using ideal die data in an optical comparator scanning system Allen S. Yu 2002-05-28 $2,985,000
6377898 Automatic defect classification comparator die selection system Allen S. Yu 2002-04-23 $2,653,000
6350639 Simplified graded LDD transistor using controlled polysilicon gate profile Allen S. Yu, Patrick K. Cheung 2002-02-26 $4,948,000
6338001 In line yield prediction using ADC determined kill ratios die health statistics and die stacking Allen S. Yu 2002-01-08 $11,293,000
6303394 Global cluster pre-classification methodology Allen S. Yu 2001-10-16 $3,616,000
6291252 Automatic method to eliminate first-wafer effect Allen S. Yu 2001-09-18 $2,710,000