Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Winchester, MA ranks #554 worldwide for total patents filed all time, with 6,125 patents from 828 inventors. Leading employers of inventors based in Winchester, MA include Alliance Development Group, MIT, Merck. That works out to 266.6 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 828 inventors

Rank Inventor Primary Company Patents
1 Dov Z. Glucksman Alliance Development Group 129
2 Michael J. Cima MIT 110
3 Jared N. Cumming Merck 80
#4 Jae S. Lim MIT 78
#5 J. Keith Joung The General Hospital 75
#5 Petros Boufounos Mitsubishi Electric 75
#5 J. Brent Ratz Edwards Lifesciences Cardiaq 75
#8 Derek O'Hagan Glaxosmithkline Biologicals Sa 74
#9 James A. Laugharn, Jr. Covaris 68
#10 Geetika T. Lakshmanan IBM 64
#11 Stephen H. Toub Microsoft 57
#11 Joseph P. Vacanti The General Hospital 57
#13 Victoria Hinchey Berkshire Grey Operating Company 55
#14 Gregory Stephanopoulos MIT 54
#15 Fatih Guler Sloan Valve 51
#16 Richard R. Schrock MIT 47
#17 Thomas P. Hardjono Nortel Networks Limited 46
#18 Michael J. Grogan Infinity Pharmaceuticals 44
#19 Leopold Grillberger Baxalta Incorporated 43
#19 Paul Scopton Boston Scientific Scimed 43
#19 Stephen C. Jens Velcro Industries B.V. 43
#19 Weidong Zhou University Of Texas System 43
#23 John R. Hershey Mitsubishi Electric 42
#23 William M. Holber Mks Instruments 42
#23 David Jonathan Bennett Merck 42
#23 Stephen J. Forcucci Corvia Medical 42
#27 Arunava Dutta Ledvance Gmbh 41
#27 Robert J. Mitchell Applied Materials 41
#29 Tzvi Avnery Advanced Electron Beams 40
#30 Mark Totman Zoll Medical 39
#31 Lawrence Fishman Fishman Transducers 38
#32 Eric Huang TSMC 37
#32 Tolga Oral IBM 37
#34 William A. Clark Analog Devices 36
#34 Karen Benedek Gas Research Institute 36
#36 Steven C. Clark Genetics Institute 34
#37 Lei Sui Jiaxing Uphoton Optoelectronics Technology Co. 33
#37 Venkat Sreenivas Infineon Technologies Austria Ag 33
#37 Edward H. Adelson MIT 33
#37 Oncel Tuzel Mitsubishi Electric 33
#41 Igor Splawski University Of Utah 29
#41 Julie Straub Acusphere 29
#41 Abhishek Bandyopadhyay Analog Devices 29
#41 Douglas Lane Milvaney Microsoft 29
#41 Alonso Ricardo Ra Pharmaceuticals 29
#46 Genliang Lu Molecular Insight Pharmaceuticals 28
#47 Siya Ram Pharm-Eco Laboratories 27
#47 Jun Seob Shin Koniniklijke Philips N.V. 27
#47 Sunny Himansu Modernatx 27
#50 Joan W. Miller Massachusetts Eye And Ear Infirmary 26

Part of Massachusetts