Barbara S. DeWitt has been granted 7 US patents while listed as an inventor at IBM . The first was granted in 2015 and the most recent in November 2020. Barbara S. DeWitt ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Barbara S. DeWitt in South Burlington, VT, US.
Patents per Year Patents granted per year, 2015 to 2020 Bar chart with a peak of 2 patents in 2017. peak 2 2015: 1 patents 2015 2016: 1 patents 2016 2017: 2 patents 2017 2018: 1 patents 2018 2020: 2 patents 2020
Issued Patents All Time
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Showing 1–7 of 7 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
10832989 3D-microstrip branchline coupler Essam Mina , B M Farid Rahman , Guoan Wang 2020-11-10
$848,000
10586752 3D-microstrip branchline coupler Essam Mina , B M Farid Rahman , Guoan Wang 2020-03-10
$1,254,000
10037931 3D-microstrip branchline coupler Essam Mina , B M Farid Rahman , Guoan Wang 2018-07-31
$5,084,000
9780429 3D-microstrip branchline coupler Essam Mina , B M Farid Rahman , Guoan Wang 2017-10-03
$4,036,000
9553348 On-chip vertical three dimensional microstrip line with characteristic impedance tuning technique and design structures Essam Mina , BM Farid Rahman , Guoan Wang 2017-01-24
$6,164,000
9362606 On-chip vertical three dimensional microstrip line with characteristic impedance tuning technique and design structures Essam Mina , B M Farid Rahman , Guoan Wang 2016-06-07
$4,256,000
9035719 Three dimensional branchline coupler using through silicon vias and design structures Essam Mina , BM Farid Rahman , Guoan Wang , Wayne H. Woods, Jr. 2015-05-19
$4,677,000
