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John Choma — 4 Patents

SNScintera Networks: 2 patents #18 of 26Top 70%
UNUnknown: 2 patents #12,644 of 83,584Top 20%
TLTrw Limited: 1 patents #979 of 2,166Top 50%
Cambridge, MA: #2,555 of 8,183 inventorsTop 35%
Massachusetts: #27,912 of 88,656 inventorsTop 35%
Overall (All Time): #1,080,739 of 4,157,543Top 30%
4 Patents All Time
John Choma has been granted 4 US patents while listed as an inventor at Scintera Networks. The first was granted in 1981 and the most recent in July 2012. John Choma ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list John Choma in Cambridge, MA, US.

Patents per Year

Patents granted per year, 1981 to 2012Bar chart with a peak of 1 patents in 1981.peak 11981: 1 patents19811984: 1 patents19842010: 1 patents20102012: 1 patents2012

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8229027 Pre-distortion and memory compensation apparatus Arvind Vijay Keerthi, Madabusi Govindarajan, P. Vijay Kumar, Abhijit Shanbhag 2012-07-24
7844014 Pre-distortion apparatus Arvind Vijay Keerthi, Madabusi Govindarajan, P. Vijay Kumar, Abhijit Shanbhag 2010-11-30
4468629 NPN Operational amplifier — 1984-08-28 $5,521,000
4275656 Bubble printing method — 1981-06-30

Frequent Collaborators

P. Vijay Kumar2 shared
Arvind Vijay Keerthi2 shared
Abhijit Shanbhag2 shared
Madabusi Govindarajan2 shared

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Jagadeesh Kandasamy4
Ross CABOT4
George Ueda4
Franz A. Gruswitz4
Tommy Glimberg4
Vinayakaraddy Gulabal4
Sandra Bittorf4
Aviel FOGEL4
Eric Matthew Walton4