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USPTO Patent Rankings Data through Sept 30, 2025
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Top Inventors 1994

Ranked by patent count

Showing 9,001–9,050 of 165,921 inventors

Rank Name Patents Location Company
#9001 Ryuzo Mikami 3 Ichihara, MI Dow Corning Toray Silicone Company
#9002 Ryuichi Masuda 3 Kadoma, JP Canon
#9003 Ryoji Kubo 3 Tokyo, JP Canon
#9004 Ryuichi Kobayashi 3 Tokyo, JP Canon
#9005 Ryouhei Kirisawa 3 Yokohama, JP Kabushiki Kaisha Toshiba
#9006 Ryuichi Kaji 3 Kitaibaraki, JP Hitachi
#9007 Ryuichiro Iwamoto 3 Sodegaura, JP Idemitsu Kosan Co.
#9008 Ryo Imura 3 Kokubunji, JP Hitachi
#9009 Ryozo Imanishi 3 Kishiwada, JP Kubota
#9010 Ryuji Hosaka 3 Saitama, JP —
#9011 Ryuji Arai 3 Mitaka, JP Mutoh Industries
#9012 Ryuya Akita 3 Hiroshima, JP Mazda Motor
#9013 Ruth R. Wexler 3 Montgomery, NJ Bristol-Myers Squibb
#9014 Russell J. VanRens 3 West Allis, WI Outboard Marine
#9015 Russell H. Taylor 3 Severna Park, MD The Johns Hopkins University
#9016 Russell J. Sokac 3 Rochester, NY Xerox
#9017 Ruprecht Sinnhuber 3 Gifhorn, DE Volkswagen
#9018 Rudolf Seibl 3 Penzberg, DE BOE
#9019 Rudolph W. Schutz 3 Walnut Creek, CA Crown Zellerbach
#9020 Russell G. Schonberg 3 Los Altos Hills, CA Zapit Technology
#9021 Rudolf Schohe-Loop 3 Wuppertal, DE Bayer Healthcare
#9022 Rudolf Schaulin 3 Riehen, CH Ciba-Geigy
#9023 Russell Pflueger 3 Laguna Niguel, CA Baxter International
#9024 Ruth H. Pater 3 Rocky River, OH NASA
#9025 Rudolf Oexler 3 Ingolstadt, DE Schubert & Salzer
#9026 Ruth F. Nutt 3 Green Lane, PA Merck
#9027 Russell G. Lewis 3 Manlius, NY Carrier
#9028 Rudolf Koblitz 3 Villingen-Schwenningen, DE Deutsche Thomson-Brandt Gmbh
#9029 Rudolf F. Kazarinov 3 Bound Brook, NJ AT&T
#9030 Rustom Sam Kanga 3 Kennesaw, GA Quick-Med Technologies
#9031 Russell Iknaian 3 Groton, MA Digital Equipment
#9032 Russ W. Herrell 3 Fort Collins, CO HP
#9033 Rudolf Heimberger 3 Oberderdingen, DE Richard Wolf Gmbh
#9034 Rumiko Hayase 3 Yokohama, JP Kabushiki Kaisha Toshiba
#9035 Rudolph Hanke 3 Monheim, DE Hama Hamaphot Kg Hanke & Thomas
#9036 Ru-Jen L. Han 3 Princeton Junction, NJ Hoffmann-La Roche
#9037 Russell Gurstein 3 Craydon Court, CA U.S. Products
#9038 Russell E. Cage 3 Ann Arbor, MI Chrysler Group
#9039 Rudolf Braden 3 Odenthal, DE Bayer Healthcare
#9040 Rudolph H. Boeckeler 3 Grafton, WI Cook Composites & Polymers
#9041 Rudolf Beisswanger 3 Steinheim, DE J.M. Voith Gmbh
#9042 Ronald F. Ziolo 3 Webster, NY Xerox
#9043 Robert G. Zamenhof 3 Brookline, MA New England Medical Center Hospitals.
#9044 Ronald L. Young 3 Menominee, MI Erda
#9045 Robert A. Yonkers 3 Grandville, MI Bissell
#9046 Robert J. Yagley 3 Endicott, NY IBM
#9047 Robert D. Wysong 3 Talleyville, DE E.I. Du Pont De Nemours And
#9048 Robin E. Wright 3 Inver Grove Heights, MN 3M
#9049 Roy F. Wright 3 Bartlesville, OK Phillips Petroleum
#9050 Robert W. Wood 3 New Rochelle, NY Rockwell Collins