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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Mitel › Harold Sit
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Harold Sit — 3 Patents

MIMitel: 1 patents #90 of 264Top 35%
MKMitel Knowledge: 1 patents #20 of 67Top 30%
MNMitel Networks: 1 patents #110 of 257Top 45%
Ottawa, CA: #2,044 of 6,399 inventorsTop 35%
Overall (All Time): #1,328,092 of 4,157,543Top 35%
3 Patents All Time
Harold Sit has been granted 3 US patents while listed as an inventor at Mitel. The first was granted in 1997 and the most recent in April 2007. Harold Sit ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Harold Sit in Ottawa, ON, CA.

Patents per Year

Patents granted per year, 1997 to 2007Bar chart with a peak of 1 patents in 1997.peak 11997: 1 patents19972004: 1 patents20042007: 1 patents2007

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7203189 Network implemented communication system Debbie Pinard, Sonya Fullarton, Eliana Peres 2007-04-10
6819665 Private branch exchange implemented using H.323 gatekeeper Debbie Pinard, Sonya Fullarton, Eliana Peres 2004-11-16
5657446 Local area communications server Deborah L. Pinard, Anthony Niro 1997-08-12 $3,610,000

Frequent Collaborators

Debbie Pinard2 shared
Eliana Peres2 shared
Sonya Fullarton2 shared
Deborah L. Pinard1 shared
Anthony Niro1 shared

Nearby-Ranked Inventors

Daniel Silion3
Hangfeng Li3
Mark Vander Wal3
Chad M. Goltzman3
Sathish Kumar Thanganathan3
Debbie Maloyd3
Ethan Alexander Garrett3
Paul Sabatka3
Sergii Bomko3