Top Inventors in Mansfield, OH | Patent Leaderboard

Mansfield, OH ranks #3,724 worldwide for total patents filed all time, with 786 patents from 264 inventors. Leading employers of inventors based in Mansfield, OH include Comcast, Schaeffler, Oxyrase. That works out to 16.5 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 264 inventors

Rank	Inventor	Primary Company	Patents
1	Ralph G. Ridenour	Comcast	40
2	John Ramsey	Schaeffler	29
3	James C. Copeland	Oxyrase	18
3	Steven M. Reynolds	Warren Rupp	18
3	Bohdan Wolodymyr Chopko	Silver Bullet Therapeutics	18
#6	Zack Simmering	Land Energy	15
#7	Matthew A. Smith	Production Control Units	14
#7	Stephen K. Edwards	—	14
#7	Tung-Sheng Yang	Therm-O-Disc, Incorporated	14
#7	Zachariah S. Simmering	Ifco Systems Us	14
#11	Colin Durante	D&D Emulsions	11
#11	Robert P. Swank	Impact Mst Incorporated	11
#13	Dan Smith	Silicor Materials	10
#14	Mark Wilson	Stoneridge	9
#14	Donald E. Place	Therm-O-Disc, Incorporated	9
#14	Robert Beasley	Tektronix	9
#17	Henryk Dudzik	Mardon Illingworth	8
#18	Roger L. Streets	Ashland Oil	7
#18	George Clark	Spireon	7
#18	Victoria A. Langer	—	7
#18	Clayton Prescan Smeltz	Forbes Rehab Services	7
#18	Steven O. Cummins	Mansfield Assemblies	7
#23	Charles J. Hire	Hi-Stat Manufacturing Company	6
#23	Jerry A. Robson	—	6
#23	Praveen C. Ramamurthy	Therm-O-Disc, Incorporated	6
#23	Mason B. Mount	Hi-Stat Manufacturing Company	6
#23	Delbert L. Dawson	D&D Emulsions	6
#23	William K. LeBlanc	Emerson Process Management Valve Automation	6
#23	Matthew Z. Neal	—	6
#23	Andrew Patrick Ritchey	White Mule	6
#23	Larry Steven Ritchey	White Mule	6
#23	Richard E. Garrison	Hi-Stat Manufacturing Company	6
#23	Scott L. Baker	Stoneridge Control Devices	6
#23	Dung B. Nguyen	Chrontel	6
#35	Ronald L. Holden	Therm-O-Disc, Incorporated	5
#35	Richard K. Weiss	White Consolidated Industries	5
#35	Justin F. Schultz	—	5
#35	Liren Zhao	Therm-O-Disc, Incorporated	5
#35	Robert H. McFarland	White Consolidated Industries	5
#35	Douglas P. Versaw	Therm-O-Disc, Incorporated	5
#35	David A. Metzger	—	5
#35	Greg Hughes	Warren Rupp	5
#35	Jared Starling	Therm-O-Disc, Incorporated	5
#35	Randal L. Lundquist	Recreation Supply	5
#35	Brian Engelbach	Therm-O-Disc, Incorporated	5
#35	Eugene Barnett	White Consolidated Industries	5
#35	John H. Todd	—	5
#35	Donald J. Schmitt	Therm-O-Disc, Incorporated	5
#49	Gordon K. Wells	Therm-O-Disc, Incorporated	4
#49	Thomas A. Molyneaux	Abbott	4

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