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USPTO Patent Rankings Data through Sept 30, 2025
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Top Inventors 2004

Ranked by patent count

Showing 12,201–12,250 of 270,089 inventors

Rank Name Patents Location Company
#12201 Robert C. Glines 4 Cameron Park, CA Cardiothoracic Systems
#12202 Roland Germann 4 Wangen, CH IBM
#12203 Robert L. Gerlach 4 Minnetonka, MN Fei
#12204 Ronald E. Gerber 4 Rochester, NY Seagate Technology
#12205 Robert S. Gehret 4 Hampstead, MD Black & Decker
#12206 Robert J. Gauthier, Jr. 4 South Burlington, VT IBM
#12207 Robert L. Fuss 4 Rochester, NY General Motors
#12208 Robert M. Fuerst 4 Maple Park, IL Molex
#12209 Robert Henry Frater 4 Chatswood, AU Resmed
#12210 Robin H. Foster 4 Little Silver, NJ —
#12211 Robert A. Follensbee 4 Cottage Grove, MN 3M
#12212 Roger Flores 4 Redwood City, CA Palmsource
#12213 Roland E. Flick 4 West Seneca, NY Gaymar Industries
#12214 Ronald Fink 4 North Palm Beach, FL Rgf Environmental Group
#12215 Robert D. Farris 4 Missouri City, TX Bell Atlantic Network Services
#12216 Robert P. Farinelli 4 Nicholasville, KY Elan Home Systems, L.L.C.
#12217 Ronnie D. Everly 4 Mounds, IL Crain Enterprises
#12218 Roger W. Erdelac 4 Largo, FL Blue Hawaiian Products
#12219 Robert Richard Dykstra 4 West Chester, OH The Procter & Gamble
#12220 Robert C. Dutcher 4 Maple Grove, MN Possis Medical
#12221 Ronald P. Doyle 4 Raleigh, NC IBM
#12222 Robert Donaldson 4 Statesville, NC Nova Chemicals (International) S.A.
#12223 Robert Dixon 4 Amherst, NY GE
#12224 Rocco DiFoggio 4 Houston, TX Baker Hughes Holdings
#12225 Robert O. Dempcy 4 Lompoc, CA Epoch Biosciences
#12226 Robert Davies 4 Westfield, GB Koniniklijke Philips N.V.
#12227 Roger Dahl 4 Junction City, OR Medtronic
#12228 Rory Curtis 4 Southborough, MA Millennium Pharmaceuticals
#12229 Ronald J. Crook 4 Duncan, OK Halliburton Energy Services
#12230 Roger S. Cromwell 4 Walters, OK Halliburton Energy Services
#12231 Roy Cottrell 4 Houston, TX —
#12232 Ronald Cortigiano, Sr. 4 Toccoa, GA Illinois Tool Works
#12233 Robert O. Conn 4 Los Gatos, CA AMD
#12234 Robert Cobene 4 Santa Clara, CA HP
#12235 Robert Clauser 4 Coatesville, PA Mars, Incorporated
#12236 Ronald G. Chabal 4 New Kensington, PA Alcoa
#12237 Robert Paul Cassoni 4 Bellefontaine, OH The Procter & Gamble
#12238 Roy A. Carruthers 4 Stormville, NY IBM
#12239 Robert T. Carroll 4 Andover, MA International Rectifier
#12240 Robert W. Byren 4 Manhattan Beach, CA RTX (Raytheon)
#12241 Robert R. Bushey 4 Cedar Park, TX AT&T
#12242 Rodney T. Burt 4 Tucson, AZ Texas Instruments
#12243 Robert N. K. Browning 4 Corvallis, OR HP
#12244 Roger M. Brisbane 4 Honeoye, NY General Motors
#12245 Rolf A. Brekken 4 Dallas, TX University Of Texas System
#12246 Rodney T Brand 4 Lisle, IL AT&T
#12247 Robert A. Boudrie 4 Ashland, MA Emc
#12248 Robert E. Bombalski 4 Lower Burrell, PA Alcoa
#12249 Robert Mitchell Blankenship 4 Lansdale, PA Rohm And Haas
#12250 Robert S. Blackmore 4 Poughkeepsie, NY IBM