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USPTO Patent Rankings Data through Dec 31, 2025
TJ

Thomas J. Johnson — 1 Patent in 2018

PFPurdue Research Foundation: 1 patents #67 of 308Top 25%
Iron River, MI: #9 of 28 inventorsTop 35%
Michigan: #3,395 of 9,817 inventorsTop 35%
Overall (2018): #215,246 of 503,207Top 45%
1 Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9935349 Tunable evanescent-mode cavity filter with closed loop control Jack Chuang, Dimitrios Peroulis, Eric J. Naglich, Souleymane Gnanou, Curtis M. Grens +4 more 2018-04-03