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USPTO Patent Rankings Data through Sept 30, 2025
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Top Inventors 2020

Ranked by patent count

Showing 1–50 of 565,922 inventors

Rank Name Patents Location Company
1 Kangguo Cheng 332 Schenectady, NY IBM
2 Frederick E. Shelton, IV 280 Cincinnati, OH Johnson & Johnson
3 Tao Luo 275 San Diego, CA Qualcomm
#4 Wanshi Chen 264 San Diego, CA Qualcomm
#5 Peter Gaal 257 San Diego, CA Qualcomm
#6 Hanbyul Seo 219 Seoul, KR LG
#7 Kijun Kim 213 Seoul, KR LG
#8 Yunjung Yi 203 Vienna, VA LG
#9 Esmael Hejazi Dinan 198 McLean, VA Ofinno
#10 Shunpei Yamazaki 185 Tokyo, MO Semiconductor Energy Laboratory
#11 Suckchel Yang 180 Seoul, KR LG
#12 Sarbajit K. Rakshit 175 Sherghati, TX IBM
#13 Joonkui Ahn 172 Seoul, KR LG
#14 Jason L. Harris 169 Lebanon, OH Cilag Gmbh International
#15 Jonathan P. Ive 164 San Francisco, CA Apple
#16 Chen-Hua Yu 164 Hsinchu, TW TSMC
#17 Paul Shala Henry 162 Holmdel, NJ AT&T
#18 Hao Xu 161 Hong Kong, CA Qualcomm
#19 Junyi Li 155 Fairless Hills, PA Qualcomm
#20 Jing Sun 154 San Diego, CA Qualcomm
#21 Thomas M. Willis, III 147 Petersburg, MI AT&T
#22 Seungmin LEE 147 Seoul, KR LG
#23 Irwin Gerszberg 147 Kendall Park, NJ AT&T
#24 Xue Dong 142 Beijing, CN BOE
#25 Ruilong Xie 141 Niskayuna, NY IBM
#26 Farhad Barzegar 138 Readington, NJ AT&T
#27 Choonghyun Lee 132 Rensselaer, NY IBM
#28 Alexander Reznicek 132 Troy, NY IBM
#29 Xiaochuan Chen 131 Beijing, CN BOE
#30 Tingfang Ji 125 San Diego, CA Qualcomm
#31 Duncan Robert Kerr 124 San Francisco, CA Apple
#32 Robert Bennett 122 Tampa, FL AT&T
#33 Donald J. Barnickel 120 Flemington, NJ AT&T
#34 Shan Liu 116 San Jose, CA Tencent America
#35 Austin Walters 113 Savoy, IL Capital One Services
#36 Michael K. Gschwind 112 Chappaqua, NY IBM
#37 Jeremy Goodsitt 112 Champaign, IL Capital One Services
#38 Rico Zörkendörfer 111 San Francisco, CA Apple
#39 Richard P. Howarth 111 Lake Forest, IL Apple
#40 Bartley K. Andre 111 Los Gatos, CA Apple
#41 Xiaoxia Zhang 110 San Diego, CA Qualcomm
#42 Jody Akana 109 Los Altos Hills, CA Apple
#43 Haisheng Wang 109 Beijing, CN BOE
#44 Takahiro NISHI 108 Nara, JP Panasonic
#45 Youngdae Lee 106 Seoul, KR LG
#46 Jason K. Resch 105 Apponaug, RI IBM
#47 Eugene Antony Whang 105 San Francisco, CA Apple
#48 Tamer Kadous 104 San Diego, CA Xcom Labs
#49 Jianglei Ma 103 Carp, CA Huawei
#50 Peter Russell-Clarke 102 San Francisco, CA Apple