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

Ranked by patent count

Showing 5,951–6,000 of 22,517 companies

Rank Company Patents
#6049 Clingo.Com 4
#6050 Cleveland Medical Devices 4
#6051 Clemson University 4
#6052 Clearedge Power 4
#6053 Clear Channel Management Services 4
#6054 Claus Ettensberger 4
#6055 Civco Medical Instruments Co. 4
#6056 Citizen Watch Co. 4
#6057 Citicorp Credit Services, Inc. (Usa) 4
#6058 Circadence 4
#6059 Cinna 4
#6060 Choongwae Pharma 4
#6061 Chicago Tag & Label 4
#6062 Chicago Display Marketing 4
#6063 Chf Solutions 4
#6064 Chemocentryx 4
#6065 Chelsio Communications 4
#6066 Chapin Manufacturing 4
#6067 Champion Cooler 4
#6068 Cervitech 4
#6069 Ceratizit Austria Gesellschaft M.B.H. 4
#6070 Ceradyne 4
#6071 Cephalon France 4
#6072 Celltech R&D Limited 4
#6073 Celeritasworks 4
#6074 Celadon Systems 4
#6075 C.E. Niehoff & 4
#6077 Cbs Interactive 4
#6078 Cbrite 4
#6079 Cavendish Kinetics 4
#6080 Caustic Graphics 4
#6081 Catch Surfboard 4
#6082 Carticept Medical 4
#6083 Carlson Pet Products 4
#6084 Carefusion 207 4
#6085 Cardionet 4
#6086 Cardiokinetix 4
#6087 Cardinal Spine 4
#6088 Cardiac Dimensions 4
#6089 Capsovision 4
#6090 Capitol Plastic Products 4
#6091 Cannuflow 4
#6092 Canberra Industries 4
#6093 Canadian Blood Services 4
#6095 Cambridge Endoscopic Devices 4
#6096 Callpod 4
#6097 Calix 4
#6098 California Innovations 4
#6099 Cairos Technologies Ag 4
#6100 Cable Television Laboratories 4