Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Top Companies 2002

Ranked by patent count

Showing 5,351–5,400 of 18,242 companies

Rank Company Patents
#5437 Recon/Optical 3
#5438 Reckitt & Colman Limited 3
#5439 Realtek Semiconductor 3
#5440 Real Power Cap 3
#5441 R/D Tech 3
#5442 Rattler Tools 3
#5443 Ranir/Dcp 3
#5444 Ranco Incorporated Of Delaware 3
#5445 Ranco Co. 3
#5446 Railway Technical Research Institute 3
#5447 Radiomed 3
#5448 Radiodetection Limited 3
#5449 Radiant Medical 3
#5450 R.A Jones & 3
#5451 R-Tech Ueno 3
#5452 R. Sanderson Management 3
#5453 Qwest Communications Int'L. 3
#5454 Quicklogic 3
#5455 Questair Technologies 3
#5456 Quest Diagnostics Investments 3
#5457 Quark Biotech 3
#5458 Quantum Magnetics 3
#5459 Quantum Conveyor Systems 3
#5460 Quanta Computer 3
#5461 Qingdao Haier Electronics Co. 3
#5462 Qiagen Genomics 3
#5463 Qds Injection Molding, L.L.C. 3
#5464 Putco 3
#5465 Pure Seed Testing 3
#5466 Pure Fishing 3
#5467 Pullman Industries 3
#5468 Public Works Research Institute, Ministry Of Construction 3
#5469 Ptmw 3
#5470 Protrend Co. 3
#5471 Protein Polymer Technologies 3
#5472 Protechna S.A. 3
#5473 Proteam 3
#5475 Promos Technology 3
#5476 Prolume 3
#5477 Prolinx Incorporated 3
#5478 Programmable Silicon Solutions 3
#5479 Progeny Advanced Genetics 3
#5480 Progenics Pharmaceuticals 3
#5481 Products Unlimited 3
#5482 Productive Environments 3
#5483 Private Access 3
#5484 Prince Castle 3
#5485 Prestolite Wire 3
#5486 Precision Vascular Systems 3
#5487 Precision Combustion 3