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USPTO Patent Rankings Data through Sept 30, 2025
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Top Inventors 2002

Ranked by patent count

Showing 12,551–12,600 of 266,432 inventors

Rank Name Patents Location Company
#12551 Rolf Schroder 4 Langen, DE Bayer Healthcare
#12552 Robert Louis Schmidt 4 Howell, NJ AT&T
#12553 Robert W. Scheifler 4 Somerville, MA Oracle
#12554 Robert M. Scharf 4 Bedminster, NJ Stratos Lightwave
#12555 Robert Edward Schafrik 4 Cincinnati, OH GE
#12556 Roberto Santi 4 Novara, IT Enichem S.P.A
#12557 Robert A. Sanderson 4 Northbrook, IL R. Sanderson Management
#12558 Ronald A. Sahatjian 4 Lexington, MA Boston Scientific Scimed
#12559 Robert J. Safranek 4 Portland, OR Intel
#12560 Robert L. Russell 4 Sikeston, MO Irwin Seating
#12561 Ronnen Andrew Roy 4 State College, PA IBM
#12562 Robert Earl Rottmayer 4 Fremont, CA Read Rite
#12563 Robert Rosenberg 4 Santa Monica, CA IBM
#12564 Ronald John Roberts 4 Gately Drive, PA Astrazeneca Ab
#12565 Robert A. Ress, Jr. 4 Carmel, IN Allison Advanced Development
#12566 Ronald L. Ream 4 Plano, IL Wm. Wrigley Jr.
#12567 Ronald W. Ratcliffe 4 Matawan, NJ Merck
#12568 Robert T. Rasmussen 4 Henderson, NV Micron
#12569 Roland Ramin 4 Mennecy, FR L'Oreal
#12570 Robert E. Quinn 4 New Albany, OH The Lubrizol
#12571 Robert J. Proebsting 4 Angels Camp, CA Integrated Device Technology
#12572 Robert Russell Priestley 4 Ballston Lake, NY GE
#12573 Roderick Alan Porter 4 Falmer, GB Smithkline Beeacham P.L.C.
#12574 Roger Popp 4 Woodland Park, CO Woodward Governor
#12575 Ron Popeil 4 Beverly Hills, CA Advantage Partners Ip
#12576 Robert M. Platz 4 San Mateo, CA Inhale Therapeutic Systems
#12577 Robin Phinney 4 Okotoks, CA Airborne Industrial Minerals
#12578 Ronald N. Perry 4 Cambridge, MA Mitsubishi Electric
#12579 Ronald E. Pelrine 4 Longmont, CO Sri International
#12580 Robert D. Pedersen 4 Dallas, TX Case-Mate
#12581 Ronald Pasqualini 4 Los Altos, CA National Semiconductor
#12582 Roberto Padovani 4 San Diego, CA Qualcomm
#12583 Robert A. Norwood 4 Tucson, AZ University Of Arizona
#12584 Robert Nordstrom 4 Hanover, MA Medispectra
#12585 Roger-Marc Nicoud 4 Vandœuvre-lès-Nancy, FR Groupe Novasep
#12586 Ronald Neufert 4 Aichach, DE Siemens Aktiengesellschaft
#12587 Robert Nagle 4 Palo Alto, CA Caliper Technologies
#12588 Robert W. Murdoch 4 Kennesaw, GA Koniniklijke Philips N.V.
#12589 Roland Muller 4 Weiling, DE Endress+Hauser
#12590 Rolf Mueller 4 Steinheim an der Murr, SC Aventis Pharma Deutschland Gmbh
#12591 Robert M. Moore, Jr. 4 Midlothian, VA Albemarle
#12592 Robert I. Mink 4 Yonkers, NY ExxonMobil
#12593 Robert J. Mills 4 Torrance, CA Virco Mgmt.
#12594 Roland A. Merrick 4 Worcester, GB IBM
#12595 Robert E. Medsker 4 Mooresville, IN Omnova Solutions
#12596 Rodney Jerome Means 4 Tempe, AZ IBM
#12597 Robert E. McCracken 4 Anderson, SC Ryobi Motor Products
#12598 Robert Russell Mayer 4 Manchester, CT RTX (Raytheon)
#12599 Robert Martinson 4 Palo Alto, CA Novellus Systems
#12600 Robert J. Martin 4 Troy, MI Arvinmeritor Technology