Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Top Companies 2011

Ranked by patent count

Showing 20,151–20,200 of 22,517 companies

Rank Company Patents
#20305 Doyo Engineering Co. 1
#20306 Dowslake Microsystems 1
#20307 Downing Displays 1
#20308 Dowa Metals & Mining Co. 1
#20309 Dowa Holdings Co. 1
#20310 Dow Corning Ireland 1
#20311 Douglas Press 1
#20312 Douglas Pharmaceuticals Limited 1
#20313 Doug Carson & Associates 1
#20314 Doubleday Acquisitions 1
#20315 Dot Incorporation 1
#20316 Dosatron International 1
#20317 Dorst Technologies Gmbh & Co. Kg 1
#20318 Dornier Medtech Systems, Gmbh 1
#20319 Dorner Medical Systems 1
#20320 Dorf Ketal Chemicals (India) Private Limited 1
#20321 Dorco Co. 1
#20322 Dora S.P.A. 1
#20323 Dopaco 1
#20324 Doosan Heavy Industries & Construction Co. 1
#20325 Door & Window Hardware 1
#20326 Dono Tech Services 1
#20327 Dongyang Mechatronics 1
#20328 Dongguan Kingsun Optoelectronic Co. 1
#20329 Dongguan Huayi Mastech Co. 1
#20330 Dongguan Anwell Digital Machinery 1
#20331 Donelson Construction Co. 1
#20332 Don Whitley Scientific Limited 1
#20333 Domnick Hunter Limited 1
#20334 Domingo Enterprises 1
#20335 Dometic Sweden Ab 1
#20336 Domaille Engineering 1
#20337 Dolphin Imaging Systems 1
#20338 Doheny Eye Institute 1
#20339 Dogwatch 1
#20340 Doctors Research Group 1
#20341 Doben Limited 1
#20342 Doapp 1
#20343 Dnt Scientific Research 1
#20344 Dni Realty 1
#20345 Dna Twopointo 1
#20346 Dna Electronics 1
#20347 Dmt Licensing 1
#20348 Dmt Holdings 1
#20349 Dms Co. 1
#20350 Dmr Holding Group 1
#20351 Dmi Biosciences 1
#20352 D&M Holdings 1
#20353 Dlr Deutsches Zentrum Für Luft- Und Raumfahrt E.V. 1
#20354 Dkfz Deutsches Krebsforschungszentrum, Stiftung Des Oeffentlichen Rechts 1