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

David Richardson — 5 Patents

UFUniversity of Florida Foundation: 1 patents #311 of 807Top 40%
University of Florida: 1 patents #1,174 of 2,560Top 50%
RRRead Rite: 1 patents #249 of 255Top 100%
Santa Clara, CA: #3,050 of 9,301 inventorsTop 35%
California: #107,996 of 386,348 inventorsTop 30%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
David Richardson has been granted 5 US patents while listed as an inventor at Read Rite. The first was granted in 1999 and the most recent in August 2014. David Richardson ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list David Richardson in Santa Clara, CA, US.

Patents per Year

Patents granted per year, 1999 to 2014Bar chart with a peak of 2 patents in 2001.peak 21999: 1 patents19992001: 2 patents20012013: 1 patents20132014: 1 patents2014

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8808528 Electrolyte supply tanks and bubbler tanks having improved gas diffusion properties for use in electrolyzer units 2014-08-19
8449737 Hydrogen and oxygen generator having semi-isolated series cell construction 2013-05-28
6307100 Catalytic oxidation of hydrocarbons Cheng XU, Khalil A. Abboud, Garry Kenneth Weakley 2001-10-23
6258981 Catalytic oxidation of hydrocarbons Cheng XU, Khalil A. Abboud 2001-07-10
5959811 Magnetoresistive transducer with four-lead contact 1999-09-28 $2,445,000