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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Harderwijk, NL ranks #7,993 worldwide for total patents filed in 2021, with 11 patents from 7 inventors. Leading employers of inventors based in Harderwijk, NL include J. Van Walraven Holding B.V., Kyocera Senco Industrial Tools.

Showing 1–7 of 7 inventors

Rank Inventor Primary Company Patents
1 Frank Nijdam J. Van Walraven Holding B.V. 5
2 Ricky Nijenhuis 1
2 Tammo Schut 1
2 Frank Pieter Jacobus Balen 1
2 Johannes Antonius Rudolf Grouve Kyocera Senco Industrial Tools 1
2 Sanneke Peffer 1
2 Pieter Marcel De Graaf 1