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

Derrick Johns — 7 Patents

DTDifusion Technologies: 6 patents #1 of 7Top 15%
Austin, TX: #4,441 of 18,064 inventorsTop 25%
Texas: #21,608 of 125,132 inventorsTop 20%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
Derrick Johns has been granted 7 US patents while listed as an inventor at Difusion Technologies. The first was granted in 2014 and the most recent in December 2024. Derrick Johns ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Derrick Johns in Austin, TX, US.

Patents per Year

Patents granted per year, 2014 to 2024Bar chart with a peak of 2 patents in 2014.peak 22014: 2 patents20142015: 2 patents20152016: 2 patents20162024: 1 patents2024

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
12178936 Medical implants and methods of manufacture Joseph J. Crudden, Sriram Sankar 2024-12-31
9492584 Post-charging of zeolite doped plastics with antimicrobial metal ions Joseph J. Crudden 2016-11-15
9375321 Medical implants with increased hydrophilicity Peter Whang, Joseph J. Crudden 2016-06-28
9132576 Method of manufacturing antimicrobial implants of polyetheretherketone Joseph J. Crudden 2015-09-15
9107765 Medical implants with increased hydrophilicity Gary Ghiselli, Peter Whang, Jami Hafiz, Joseph J. Crudden 2015-08-18
8840914 Method of manufacturing antimicrobial implants of polyetheretherketone Joseph J. Crudden, Jami Hafiz, James E. Deaton, John R. Pepper 2014-09-23
8821912 Method of manufacturing antimicrobial implants of polyetheretherketone Joseph J. Crudden, Jami Hafiz, James E. Deaton, John R. Pepper 2014-09-02