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USPTO Patent Rankings Data through Dec 31, 2025
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Clarence B. Ferguson — 4 Patents

SLSpansion Llc.: 2 patents #309 of 769Top 45%
AMD: 2 patents #4,938 of 9,280Top 55%
San Jose, CA: #12,472 of 32,062 inventorsTop 40%
California: #126,026 of 386,348 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
Clarence B. Ferguson has been granted 4 US patents while listed as an inventor at AMD. The first was granted in 2004 and the most recent in October 2006. Clarence B. Ferguson ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list Clarence B. Ferguson in San Jose, CA, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7118967 Protection of charge trapping dielectric flash memory devices from UV-induced charging in BEOL processing Minh Van Ngo, Ning Cheng, Jeff P. Erhardt, Cyrus E. Tabery, John Caffall +2 more 2006-10-10 $5,547,000
7091088 UV-blocking etch stop layer for reducing UV-induced charging of charge storage layer in memory devices in BEOL processing Ning Cheng, Emmanuil H. Lingunis, Minh Van Ngo, Joerg Reiss, Jean Y. Yang +2 more 2006-08-15 $16,436,000
7018896 UV-blocking layer for reducing UV-induced charging of SONOS dual-bit flash memory devices in BEOL processing Minh Van Ngo, Tazrien Kamal, Mark T. Ramsbey, Arvind Halliyal, Jaeyong Park +6 more 2006-03-28 $11,294,000
6774432 UV-blocking layer for reducing UV-induced charging of SONOS dual-bit flash memory devices in BEOL Minh Van Ngo, Tazrien Kamal, Mark T. Ramsbey, Arvind Halliyal, Jaeyong Park +6 more 2004-08-10 $1,968,000