Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Top Companies 2017

Ranked by patent count

Showing 27,051–27,100 of 29,974 companies

Rank Company Patents
#27196 Dr. Hahn Gmbh & Co. Kg 1
#27197 Dr. Franz Koehler Chemie Gmbh 1
#27198 Dpx Ventures Limited 1
#27199 Dowa Eco-System Co. 1
#27200 Dow Global Technology 1
#27201 Dow A F-Tec Co. 1
#27202 Dovetail Genomics 1
#27203 Dover Chemical 1
#27204 Douxmatok 1
#27205 Douglas Dynamics, L.L.C. 1
#27206 Doug Carson & Associates 1
#27207 Doubleday Acquisitions 1
#27208 Dott. Ing. Mario Cozzani S.R.L. 1
#27209 Dotloop 1
#27210 Dotalign 1
#27211 Dose Safety 1
#27212 Dorsey Metrology International 1
#27213 Dornoch Medical Systems 1
#27214 Dorner Mfg. 1
#27215 Dorcy International 1
#27216 Doppstadt Familienholding Gmbh 1
#27217 Doppler E. Doppler & Co. Gmbh 1
#27218 Doowon Technical College 1
#27219 Doowon Electronics Co. 1
#27220 Doosan Lentjes Gmbh 1
#27221 Doosan Gridtech 1
#27222 Doosan Babcock Limited 1
#27223 Doona Holdings 1
#27224 Donmark Holding 1
#27225 Donghua University 1
#27226 Dongguan Zhengyang Electronic Mechanical Co. 1
#27227 Dongguan Yixin Magnetic Disk Co. 1
#27228 Dongguan University Of Technology 1
#27229 Dongguan Silverlit Toys Co. 1
#27230 Dongguan Master United Plastic & Hardware Products Co. 1
#27231 Dongfang Jingyuan Electron Co. 1
#27232 Dong Guan Juxing Power Co. 1
#27233 Dong Guan Bright Yinhuey Lighting Co., Ltd. China 1
#27234 Dong-A Socio Holdings Co. 1
#27235 Dong-A Flexible Metal Tubes Co. 1
#27236 Donesta Bioscience B.V. 1
#27237 Donald Danforth Plant Science Center 1
#27238 Dominion Voting Systems 1
#27239 Domans 1
#27240 Dolphin Fluidics S.R.L. 1
#27241 Dolbey & Company 1
#27242 Dolan Designs Incorporated 1
#27243 Doka Industrie Gmbh 1
#27244 Dok Solution 1
#27245 Documill Oy 1