Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Ralph C. Tuttle — 3 Patents

CRCree: 2 patents #354 of 639Top 60%
ADAnalog Devices: 1 patents #1,361 of 1,990Top 70%
Derry, NH: #96 of 295 inventorsTop 35%
New Hampshire: #4,183 of 12,181 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Ralph C. Tuttle has been granted 3 US patents while listed as an inventor at Cree. The first was granted in 1985 and the most recent in November 2007. Ralph C. Tuttle ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Ralph C. Tuttle in Derry, NH, US.

Patents per Year

Patents granted per year, 1985 to 2007Bar chart with a peak of 1 patents in 1985.peak 11985: 1 patents19852005: 1 patents20052007: 1 patents2007

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7297561 Pattern for improved visual inspection of semiconductor devices Christopher Sean Plunket, David B. Slater, Jr., Gerald H. Negley, Thomas Peter Schneider 2007-11-20 $9,836,000
6903446 Pattern for improved visual inspection of semiconductor devices Christopher Sean Plunket, David B. Slater, Jr., Gerald H. Negley, Thomas Peter Schneider 2005-06-07 $13,272,000
4511413 Process for forming an IC wafer with buried Zener diodes Richard S. Payne 1985-04-16 $5,660,000