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USPTO Patent Rankings Data through Dec 31, 2025
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Sumit DasGupta — 6 Patents

IBM: 6 patents #16,491 of 70,183Top 25%
Wappingers Falls, NY: #286 of 884 inventorsTop 35%
New York: #23,374 of 115,490 inventorsTop 25%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Sumit DasGupta has been granted 6 US patents while listed as an inventor at IBM. The first was granted in 1981 and the most recent in July 1998. Sumit DasGupta ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Sumit DasGupta in Wappingers Falls, NY, US.

Patents per Year

Patents granted per year, 1981 to 1998Bar chart with a peak of 2 patents in 1985.peak 21981: 1 patents19811983: 1 patents19831985: 2 patents19851988: 1 patents19881998: 1 patents1998

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5787098 Complete chip I/O test through low contact testing using enhanced boundary scan Kris V. Srikrishnan, Ronald Gene Walther 1998-07-28 $10,920,000
4736319 Interrupt mechanism for multiprocessing system having a plurality of interrupt lines in both a global bus and cell buses John M. Hancock, James H. Kukula, Roger E. Peo 1988-04-05 $28,481,000
4509008 Method of concurrently testing each of a plurality of interconnected integrated circuit chips Matthew C. Graf, Robert A. Rasmussen, Thomas W. Williams 1985-04-02 $15,855,000
4503386 Chip partitioning aid (CPA)-A structure for test pattern generation for large logic networks Matthew C. Graf, Robert A. Rasmussen, Thomas W. Williams 1985-03-05 $15,799,000
4408336 High speed binary counter 1983-10-04 $20,671,000
4293919 Level sensitive scan design (LSSD) system Prabhakar Goel, Thomas W. Williams 1981-10-06 $15,925,000