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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Technologies › Electric power systems

Electric power systems Patent Leaders in 2020 2020

Primary CPC class H02 · Section H

Rankings count each patent once by its primary Cooperative Patent Classification. All-time pages aggregate the full database; year pages use patent grant year.

Recent years: 2016201720182019202020212022202320242025

Patents per Year

Patents granted per year, 1996 to 2025Bar chart with a peak of 8,200 patents in 2019.peak 8,2001996: 1,600 patents19961997: 1,825 patents1998: 2,419 patents1999: 2,516 patents19992000: 2,564 patents2001: 2,636 patents2002: 2,734 patents20022003: 2,550 patents2004: 3,013 patents2005: 2,559 patents20052006: 2,920 patents2007: 2,582 patents2008: 2,657 patents20082009: 3,280 patents2010: 3,881 patents2011: 4,095 patents20112012: 4,439 patents2013: 4,940 patents2014: 5,417 patents20142015: 5,861 patents2016: 6,611 patents2017: 7,514 patents20172018: 7,517 patents2019: 8,200 patents2020: 7,270 patents20202021: 6,839 patents2022: 6,895 patents2023: 6,426 patents20232024: 7,099 patents2025: 7,218 patents2025

Top Inventors

Rank ↑ Inventor ↕ Patents ↕ Primary Company ↕
1 Jialiang Zhang 31 OPPO
2 Lieyi Fang 26 On-Bright Electronics (Shanghai) Co.
3 Chen Tian 19 OPPO
#4 Hatem Zeine 15 Ossia
#5 Guy Sella 13 Solaredge Technologies
#6 David Giuliano 12 Psemi
#7 Dhaval Patel 12 Hamilton Sundstrand
#8 Kyung-Woo Lee 12 Samsung
#9 Tzachi Glovinsky 12 Solaredge Technologies
#10 Yoav Galin 12 Solaredge Technologies
#11 Chun-Kil Jung 11 GE
#12 Dianbo Fu 11 Futurewei Technologies
#13 Gregory I. Rozman 11 Hamilton Sundstrand
#14 Heping Dai 11 Futurewei Technologies
#15 Michael W. Degner 11 Ford
#16 Robert Gregory Wagoner 11 GE
#17 Se-Ho Park 11 Samsung
#18 Andreas C. Koenig 10 Hamilton Sundstrand
#19 Chen Zhao 10 Silergy Semiconductor Technology (Hangzhou)
#20 Fenglei Zu 10 Goertek
#21 Hiroki Aso 10 Mitsubishi Electric
#22 Ilan Yoscovich 10 Solaredge Technologies
#23 Kazuhiko Baba 10 Mitsubishi Electric
#24 Kang-Ho Byun 10 Samsung
#25 Woo Young Lee 10 Hyundai Motor
#26 Yuan Lin 10 On-Bright Electronics (Shanghai) Co.
#27 Aleksandar Radic 9 Appulse Power
#28 Christopher S. Graham 9 Apple
#29 Donald J. Barnickel 9 AT&T
#30 Farhad Barzegar 9 AT&T
#31 Glenn C. Lemmers, Jr. 9 Hamilton Sundstrand
#32 Gregory Szczeszynski 9 Psemi
#33 Hiroyuki Hattori 9 Toyota
#34 Irwin Gerszberg 9 AT&T
#35 Jacek F. Gieras 9 Hamilton Sundstrand
#36 Kenichi Nakayama 9 Hitachi Automotive Systems
#37 Masaya Inoue 9 Mitsubishi Electric
#38 Masahiro Nigo 9 Mitsubishi Electric
#39 Meir Gazit 9 Solaredge Technologies
#40 Paul Shala Henry 9 AT&T
#41 Robert Bennett 9 AT&T
#42 Steven J. Moss 9 Hamilton Sundstrand
#43 Thomas M. Willis, III 9 AT&T
#44 Yuto Urabe 9 Mitsubishi Electric
#45 Carl David Barker 8 GE
#46 Charles Almy 8 Ojjo
#47 Derek R. Hochstetler 8 Hamilton Sundstrand
#48 Duane C. Johnson 8 Hamilton Sundstrand
#49 Govardhan Ganireddy 8 GE
#50 Hao Huang 8 GE
#51 Hee-Won Jung 8 Samsung
#52 Hiroyuki Ishii 8 Ntt Docomo
#53 Junichiro Oya 8 Mitsubishi Electric
#54 Jun Zhang 8 OPPO
#55 Katsutoku Takeuchi 8 Toshiba Infrastructure Systems & Solutions
#56 Kiyotaka Koga 8 Aisin Aw Co.
#57 Makoto Matsushita 8 Toyota
#58 Qiang Luo 8 On-Bright Electronics (Shanghai) Co.
#59 Robert S. Whitehouse 8 GE
#60 Satoru Akutsu 8 Mitsubishi Electric
#61 Shingo Hashimoto 8 Aisin Aw Co.
#62 Shinobu Takano 8 Fanuc
#63 Stefan Götz 8 Dr. Ing. H.C. F. Porsche Ag
#64 Takayuki Migita 8 Nidec
#65 Ted A. Martin 8 Hamilton Sundstrand
#66 Toshio Hasebe 8 Toshiba Infrastructure Systems & Solutions
#67 Tzu-Tseng Chan 8 Acer Incorporated
#68 Yue Li 8 Johnson Electric S.A.
#69 Yuki Takahashi 8 Denso
#70 Akira Furukawa 7 Mitsubishi Electric
#71 Ali Emadi 7 Mcmaster University
#72 Alireza Fatemi 7 General Motors
#73 Andrew R. Wilkinson 7 Hamilton Sundstrand
#74 Chi-Che Chan 7 Fu Da Tong Technology Co.
#75 Chunfa Liu 7 Goertek
#76 Chi-Ming Wang 7 Toyota
#77 David R. Hall 7 Hall Labs
#78 Dale Mayes 7 Ossia
#79 Ercan Mehmet Dede 7 Stanford University
#80 Eric S. Jol 7 Apple
#81 Feng Liang 7 Ford
#82 Guillaume de Cremoux 7 Dialog Semiconductor (Uk) Limited
#83 Hans Halberstadt 7 Nxp B.V.
#84 Hengchun Mao 7 AT&T
#85 Isaac S. Frampton 7 Kohler
#86 John Freddy Hansen 7 Tc1
#87 Lior Handelsman 7 Solaredge Technologies
#88 Lubin Mao 7 Aac Technologies Pte.
#89 Mark Jon Blackwelder 7 Rolls-Royce North America
#90 Meir Adest 7 Solaredge Technologies
#91 Ming-Chiu Tsai 7 Fu Da Tong Technology Co.
#92 Mineo Yamamoto 7 Mitsubishi Electric
#93 Shingo Sato 7 Aisin Aw Co.
#94 Taesung Kim 7 Samsung
#95 Tomoaki Oikawa 7 Mitsubishi Electric
#96 Wei Xiong 7 Comcast
#97 Yongcheol PARK 7 LG
#98 Yogesh Kumar Ramadass 7 Texas Instruments
#99 Yutaka Uematsu 7 Hitachi
#100 Zaki Moussaoui 7 Apple

Top Companies

Rank ↑ Company ↕ Patents ↕
1 Mitsubishi Electric 216
2 GE 169
3 Samsung 130
#4 Texas Instruments 126
#5 Denso 98
#6 Apple 97
#7 Hamilton Sundstrand 92
#8 Siemens Aktiengesellschaft 90
#9 Abb Schweiz Ag 87
#10 Honda Motor Co. 80
#11 Toyota 76
#12 Canon 64
#13 Nidec 63
#14 Fanuc 62
#15 Panasonic 62
#16 LG 61
#17 onsemi 57
#18 Robert Bosch Gmbh 56
#19 Eaton Intelligent Power Limited 54
#20 Hyundai Motor 52
#21 Hitachi Automotive Systems 50
#22 Kia Motors 50
#23 Infineon Technologies Austria Ag 48
#24 Dialog Semiconductor (Uk) Limited 45
#25 Fuji Electric Co. 44
#26 Kabushiki Kaisha Toshiba 43
#27 IBM 43
#28 Lg Innotek Co. 42
#29 Sumitomo Electric Industries 42
#30 Ford 42
#31 Delta Electronics 40
#32 Sumitomo Wiring Systems 40
#33 Rohm Co. 39
#34 Yazaki 37
#35 Hubbell Incorporated 34
#36 Stmicroelectronics Sa 34
#37 OPPO 33
#38 Infineon Technologies Ag 33
#39 Unknown 32
#40 General Motors 32
#41 Huawei 32
#42 Autonetworks Technologies 31
#43 Murata Manufacturing Co. 31
#44 Johnson Electric International Ag 30
#45 Intel 30
#46 Minebea Mitsumi 29
#47 Toshiba Mitsubishi-Electric Industrial Systems 28
#48 Hitachi 26
#49 Rockwell Automation 26
#50 Nxp B.V. 25
#51 On-Bright Electronics (Shanghai) Co. 25
#52 The Boeing 23
#53 Dialog Semiconductor 22
#54 Renesas Electronics 22
#55 Solaredge Technologies 22
#56 Continental Automotive Gmbh 21
#57 Lsis Co. 21
#58 Nissan Motor Co. 21
#59 Richtek Technology 21
#60 Silergy Semiconductor Technology (Hangzhou) 21
#61 Sony 21
#62 Makita 20
#63 Analog Devices International Unlimited 19
#64 Chengdu Monolithic Power Systems Co. 19
#65 Dr. Ing. H.C. F. Porsche Ag 19
#66 Nidec Motor 19
#67 Power Integrations 19
#68 Tesla 19
#69 Aisin Aw Co. 18
#70 Black & Decker 18
#71 Psemi 18
#72 Tdk 18
#73 Chicony Power Technology Co. 17
#74 Kyocera 17
#75 Witricity 17
#76 Audi Ag 16
#77 Borgwarner 16
#78 Delta Electronics (Shanghai) Co. 16
#79 KAIST 16
#80 Ossia 16
#81 Regal Beloit America 16
#82 Ablic 15
#83 BMW 15
#84 Goertek 15
#85 Integrated Device Technology 15
#86 Koniniklijke Philips N.V. 15
#87 Milwaukee Electric Tool 15
#88 Mitsuba 15
#89 Omron 15
#90 Schweitzer Engineering Laboratories 15
#91 Sunpower 15
#92 Dell Products 14
#93 Futurewei Technologies 14
#94 Lutron Technology Company 14
#95 Mediatek 14
#96 Mitsumi Electric Co. 14
#97 Rolls-Royce Plc 14
#98 Schneider Electric It 14
#99 Seiko Epson 14
#100 Toshiba Infrastructure Systems & Solutions 14