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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Lee C. Knippenberg — 5 Patents

STSeagate Technology: 5 patents #1,272 of 4,722Top 30%
Burnsville, MN: #140 of 632 inventorsTop 25%
Minnesota: #13,707 of 52,454 inventorsTop 30%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Lee C. Knippenberg has been granted 5 US patents while listed as an inventor at Seagate Technology. The first was granted in 2003 and the most recent in September 2015. Lee C. Knippenberg ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Lee C. Knippenberg in Burnsville, MN, US.

Patents per Year

Patents granted per year, 2003 to 2015Bar chart with a peak of 1 patents in 2003.peak 12003: 1 patents20032004: 1 patents20042005: 1 patents20052014: 1 patents20142015: 1 patents2015

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9135938 Contact detection Dongming Liu, Lin Zhou, Adam Karl Himes, Michael Thomas Johnson 2015-09-15 $14,618,000
8730611 Contact detection Dongming Liu, Lin Zhou, Adam Karl Himes, Michael Thomas Johnson 2014-05-20 $7,037,000
6967805 In-situ monitoring of proximity and contact between a slider and a disc in a disc drive Jorge Vicente Hanchi, Lijun Fu, Ram M. Rao 2005-11-22 $9,659,000
6700724 Contact detection and calibration for electrostatic fly height control in a disc drive Jason W. Riddering 2004-03-02 $10,886,000
6570730 Shear-based transducer for HDD read/write element height control Derek A. Lewis, Wayne A. Bonin, Anthony P. Sannino, Zine-Eddine Boutaghou 2003-05-27 $8,584,000