Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Cessnock, AU ranks #24,378 worldwide for total patents filed all time, with 47 patents from 17 inventors. Leading employers of inventors based in Cessnock, AU include IBM, Commonwealth Scientific And Industrial Research Organisation, Synopsys.

Showing 1–17 of 17 inventors

Rank Inventor Primary Company Patents
1 Paul Mackerras IBM 15
2 Philip John Larkin Commonwealth Scientific And Industrial Research Organisation 8
2 Neville A. Clark Synopsys 8
#4 Karl Gordon Commonwealth Scientific And Industrial Research Organisation 2
#4 Mark Andrew Gilmour 2
#6 John William Bladen 1
#6 Neil Lindsay 1
#6 David Peter White 1
#6 Cheryl A. Longobardi Unknown 1
#6 Janet A. Kirsh Unknown 1
#6 Paul R. Osborn Broken Hill Proprietary Company Limited 1
#6 Ronald Colin Grudnoff 1
#6 Richard Leslie Brissenden 1
#6 John Gerard Bellwood Basf Se 1
#6 Stephen John Linnertson 1
#6 Karl Heinrich Gordon Commonwealth Scientific And Industrial Research Organisation 1
#6 Peter John Meldrum 1