Hemant Kumar has been granted 29 US patents while listed as an inventor at Microsoft . The first was granted in 1992 and the most recent in November 2025. Hemant Kumar ranks #127,851 of 4,157,543 US inventors in our database (top 3.1%). Patent records list Hemant Kumar in Bhopal, ON, IN.
Patents per Year Patents granted per year, 1992 to 2024 Bar chart with a peak of 4 patents in 2017. peak 4 1992: 1 patents 1992 1993: 1 patents 1994: 1 patents 1994 1996: 1 patents 2003: 1 patents 2003 2011: 1 patents 2012: 1 patents 2012 2013: 1 patents 2015: 2 patents 2015 2016: 3 patents 2017: 4 patents 2017 2018: 1 patents 2019: 2 patents 2019 2020: 2 patents 2021: 2 patents 2021 2022: 2 patents 2024: 2 patents 2024
Issued Patents All Time
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Showing 26–29 of 29 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
5522462 Plate heat exchanger Graham A. Lamont 1996-06-04
5303387 Arrangement for utilizing a passive line concentrator in a managed token ring network Steven Jay Millard , Bret Matz , Kalampukattussery C. Babu 1994-04-12
$883,000
5181858 Cable type identifying and impedance matching arrangement Bret Matz , K. C. Babu 1993-01-26
$6,399,000
5132832 Token ring concentrator with global reset capability Bret Matz , K. C. Babu , Geeta George , Soma Rakshit , S. Krishnakumar Rao 1992-07-21
$5,248,000
