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USPTO Patent Rankings Data through Dec 31, 2025
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Robert van der Valk — 2 Patents

MIMitel: 1 patents #90 of 264Top 35%
Z(Zarlink Semiconductor (Us): 1 patents #64 of 156Top 45%
Rotterdam, NL: #232 of 863 inventorsTop 30%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Robert van der Valk has been granted 2 US patents while listed as an inventor at Mitel. The first was granted in 1997 and the most recent in February 2006. Robert van der Valk ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Robert van der Valk in Rotterdam, NL.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7006590 Timing circuit with dual phase locked loops Simon Skierszkan 2006-02-28 $1,766,000
5602884 Digital phase locked loop Jerzy Wieczorkiewicz, Krishna Shetty, Terry Kenny, Menno Spijker 1997-02-11 $1,954,000