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USPTO Patent Rankings Data through Sept 30, 2025
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Top Inventors 2019

Ranked by patent count

Showing 1–50 of 560,194 inventors

Rank Name Patents Location Company
1 Kangguo Cheng 354 Schenectady, NY IBM
2 Frederick E. Shelton, IV 287 Cincinnati, OH Johnson & Johnson
3 Shunpei Yamazaki 254 Tokyo, MO Semiconductor Energy Laboratory
#4 Hanbyul Seo 239 Seoul, KR LG
#5 Wanshi Chen 223 San Diego, CA Qualcomm
#6 Peter Gaal 222 San Diego, CA Qualcomm
#7 Tao Luo 218 San Diego, CA Qualcomm
#8 Jason K. Resch 208 Apponaug, RI IBM
#9 Hao Xu 186 Hong Kong, CA Qualcomm
#10 Jonathan P. Ive 179 San Francisco, CA Apple
#11 Joonkui Ahn 173 Seoul, KR LG
#12 Yunjung Yi 169 Vienna, VA LG
#13 Sarbajit K. Rakshit 163 Sherghati, TX IBM
#14 Paul Shala Henry 162 Holmdel, NJ AT&T
#15 Kijun Kim 156 Seoul, KR LG
#16 Chen-Hua Yu 154 Hsinchu, TW TSMC
#17 Irwin Gerszberg 153 Kendall Park, NJ AT&T
#18 Xue Dong 151 Beijing, CN BOE
#19 Ruilong Xie 147 Niskayuna, NY IBM
#20 Jason L. Harris 146 Lebanon, OH Cilag Gmbh International
#21 Suckchel Yang 145 Seoul, KR LG
#22 Thomas M. Willis, III 142 Petersburg, MI AT&T
#23 Xiaochuan Chen 139 Beijing, CN BOE
#24 Farhad Barzegar 139 Readington, NJ AT&T
#25 Alexander Reznicek 137 Troy, NY IBM
#26 Duncan Robert Kerr 132 San Francisco, CA Apple
#27 Tingfang Ji 130 San Diego, CA Qualcomm
#28 Hangyu Cho 128 Seoul, KR LG
#29 Bartley K. Andre 126 Los Gatos, CA Apple
#30 Donald J. Barnickel 124 Flemington, NJ AT&T
#31 Robert Bennett 122 Tampa, FL AT&T
#32 Richard P. Howarth 121 Lake Forest, IL Apple
#33 Lei Zhang 121 Fujian, CA Aac Optics Solutions Pte.
#34 Roderick A. Hyde 120 Redmond, WA Elwha
#35 Michael K. Gschwind 118 Chappaqua, NY IBM
#36 Rico Zörkendörfer 117 San Francisco, CA Apple
#37 Daniele De Iuliis 117 San Francisco, CA Apple
#38 Christopher J. Stringer 117 Woodside, CA Apple
#39 Justin T. Mason 116 Granger, IA M.S. Technologies, L.L.C.
#40 Eugene Antony Whang 115 San Francisco, CA Apple
#41 M. Evans Hankey 114 San Francisco, CA Apple
#42 Stuart C. Salter 113 White Lake, MI Ford
#43 Junyi Li 113 Fairless Hills, PA Qualcomm
#44 Jody Akana 113 Los Altos Hills, CA Apple
#45 Haisheng Wang 113 Beijing, CN BOE
#46 Peter Russell-Clarke 112 San Francisco, CA Apple
#47 Esmael Hejazi Dinan 112 McLean, VA Ofinno
#48 David R. Hall 112 Provo, UT Hall Labs
#49 Toni Weinschenk 111 Rötteln, DE Immatics Biotechnologies Gmbh
#50 Seungmin LEE 110 Seoul, KR LG