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 2024 Bar chart with a peak of 2 patents in 2014. peak 2 2014: 2 patents 2014 2015: 2 patents 2015 2016: 2 patents 2016 2024: 1 patents 2024
Issued Patents All Time
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Showing 1–7 of 7 patents
Patent # Title Co-Inventors Date
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