Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Top Companies 1997

Ranked by patent count

Showing 9,201–9,250 of 13,859 companies

Rank Company Patents
#9287 Qualmark 1
#9288 Quality Semiconductor 1
#9289 Quadrum Telecommunications 1
#9290 Quadro Engineering 1
#9291 Quadrant Holdings Cambridge 1
#9292 Quadna 1
#9293 Quad/Graphics 1
#9294 Qo Chemicals 1
#9295 Qlogic 1
#9296 Qis 1
#9297 Qc Solutions 1
#9298 Qbi Enterprises 1
#9299 Q2100 1
#9300 Q-Dot 1
#9301 Pyxis 1
#9302 Pyrogenesis 1
#9303 Purolator Products Na 1
#9304 Purina Mills 1
#9305 Purepulse Technologies 1
#9306 Pure Technologies 1
#9307 Purdy Neat Things Co. 1
#9308 Purdue Pharma 1
#9309 Pumpkin 1
#9310 Pulse Microsystems 1
#9311 Pulse Medical Instruments 1
#9312 Pulse 1
#9313 Public Health Laboratory Service Board 1
#9314 Ptt 1
#9315 Ptmw 1
#9316 Pt Maspion 1
#9317 Psi Telecommunications 1
#9318 Psc Technologies Gmbh 1
#9319 Prp Holding 1
#9320 Provacon 1
#9321 Prototek 1
#9322 Prototech 1
#9323 Protoned, B.V. 1
#9324 Protol A.G. 1
#9325 Proteus Molecular Design Limited 1
#9326 Protel 1
#9327 Protector Technologies, B.V. 1
#9328 Protective Optics 1
#9329 Protechnics International 1
#9330 Protec Co. 1
#9331 Proteam 1
#9332 Proquip 1
#9333 Proprietary Financial Products 1
#9334 Promdx Technology 1
#9335 Promation Incorporated 1
#9336 Prolong Systems 1