{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "Technologies", "item": "https://www.patentleaderboard.com/technologies"}, {"@type": "ListItem", "position": 3, "name": "Electric power systems", "item": "https://www.patentleaderboard.com/technology/electric-power-systems"}]}
Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Technologies › Electric power systems

Electric power systems Patent Leaders in 2019 2019

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 Michael A. Leabman 42 Energous
2 Lieyi Fang 38 On-Bright Electronics (Shanghai) Co.
3 Jialiang Zhang 32 OPPO
#4 Yue Li 28 Johnson Electric S.A.
#5 Hatem Zeine 24 Ossia
#6 Yong Li 19 Iview Displays (Shenzhen) Company
#7 Yong Wang 19 Johnson Electric International Ag
#8 Chui You ZHOU 16 Johnson Electric International Ag
#9 Kyung-Woo Lee 16 Samsung
#10 Daryl Moore 15 Asator Global Technologies
#11 Hiroshi Kanno 15 Panasonic
#12 Jon Yarusso 15 Asator Global Technologies
#13 Isaac Y. Chen 14 Richtek Technology
#14 Kang-Ho Byun 14 Samsung
#15 Qiang Luo 14 On-Bright Electronics (Shanghai) Co.
#16 Atsushi Sakaue 13 Mitsubishi Electric
#17 James F. Corum 13 Cpg Technologies
#18 Kenneth L. Corum 13 Cpg Technologies
#19 Lubin Mao 13 Aac Technologies Pte.
#20 Masaya Inoue 13 Mitsubishi Electric
#21 Yunlong Dong 13 Nr Electric Co.
#22 Yuan Lin 13 On-Bright Electronics (Shanghai) Co.
#23 Chen Tian 12 OPPO
#24 Claudio Adragna 12 Stmicroelectronics Sa
#25 Dianbo Fu 12 Futurewei Technologies
#26 Douglas Bell 12 Energous
#27 Gang Li 12 Guangzhou Institute Of Energy Conversion, Chinese Academy Of Sciences
#28 Masashi Nakamura 12 Mitsubishi Electric
#29 Se-Ho Park 12 Samsung
#30 Xunwei Zhou 12 Joulwatt Technology (Hangzhou) Co.
#31 Alister Hosseini 11 Energous
#32 David Giuliano 11 Psemi
#33 Gregory Scott Brewer 11 Energous
#34 Jun Zhang 11 OPPO
#35 Kewei Wu 11 OPPO
#36 Pitleong Wong 11 Joulwatt Technology (Hangzhou) Co.
#37 Yan-Fei Liu 11 Queen'S University At Kingston
#38 Dale Mayes 10 Ossia
#39 Fuchun Liao 10 OPPO
#40 Gregory I. Rozman 10 Hamilton Sundstrand
#41 Heping Dai 10 Futurewei Technologies
#42 Jacek F. Gieras 10 Hamilton Sundstrand
#43 Liqiang Zhu 10 On-Bright Electronics (Shanghai) Co.
#44 Mark Childs 10 Dialog Semiconductor (Uk) Limited
#45 Michael W. Degner 10 Ford
#46 Naoki Ayai 10 Sumitomo Electric Industries
#47 Sang Wook Kwon 10 Samsung
#48 Shengyi Liu 10 The Boeing
#49 Tatsuro Hino 10 Mitsubishi Electric
#50 Yu Lu 10 Nr Electric Co.
#51 Yuki Takahashi 10 Denso
#52 Carl David Barker 9 GE
#53 Chen Zhao 9 Silergy Semiconductor Technology (Hangzhou)
#54 Fanghua Ling 9 Aac Technologies Pte.
#55 Fei Xin 9 Johnson Electric S.A.
#56 Govardhan Ganireddy 9 GE
#57 Hao Huang 9 GE
#58 Haiying Li 9 Nr Electric Co.
#59 Hee-Won Jung 9 Samsung
#60 Jie Tian 9 Nr Electric Co.
#61 Jinfa Zhang 9 Delta Electronics (Shanghai) Co.
#62 Kenichi Nakayama 9 Hitachi Automotive Systems
#63 Lijun Gao 9 The Boeing
#64 Patrick L. Chapman 9 Sunpower
#65 Satoru Akutsu 9 Mitsubishi Electric
#66 Songnan Yang 9 Intel
#67 Akira Hashimoto 8 Mitsubishi Electric
#68 Aleksandar Radic 8 Appulse Power
#69 Bong Chul Kim 8 LG
#70 Christopher S. Graham 8 Apple
#71 David W. Baarman 8 Access Business Group International
#72 Dan Cao 8 Tencent
#73 David R. Hall 8 Hall Labs
#74 Di Zhang 8 Huawei
#75 Dong Zo Kim 8 Samsung
#76 Hidehiro Haga 8 Nidec
#77 Hiroki Kikuchi 8 Rohm Co.
#78 Hironori Tsuiki 8 Mitsubishi Electric
#79 Horst Knoedgen 8 Dialog Semiconductor
#80 Hongfu Xu 8 Aac Technologies Pte.
#81 Jae Hyun Park 8 Samsung
#82 Masatsugu Nakano 8 Mitsubishi Electric
#83 Nam Yun Kim 8 Samsung
#84 Robert Gregory Wagoner 8 GE
#85 SangCheol Moon 8 onsemi
#86 Su Ho Bae 8 Lg Innotek Co.
#87 Tetsuo Tateishi 8 Rohm Co.
#88 Tsutomu Sakata 8 Panasonic
#89 William Henry Von Novak, III 8 Qualcomm
#90 Yongcheol PARK 8 LG
#91 Yun Kwon Park 8 Samsung
#92 Yuji Takizawa 8 Mitsubishi Electric
#93 Zhilin Chai 8 Aac Technologies Pte.
#94 Zhaoqing Hu 8 Nr Electric Co.
#95 Akihiro Daikoku 7 Mitsubishi Electric
#96 Akiyoshi Uchida 7 Fujitsu Limited
#97 Alberto Bianco 7 Stmicroelectronics Sa
#98 Andries Van Wageningen 7 Koniniklijke Philips N.V.
#99 Bao Ting Liu 7 Johnson Electric S.A.
#100 Benjamim Tang 7 Infineon Technologies Austria Ag

Top Companies

Rank ↑ Company ↕ Patents ↕
1 Mitsubishi Electric 231
2 Samsung 173
3 GE 170
#4 Denso 132
#5 Toyota 114
#6 Siemens Aktiengesellschaft 103
#7 Texas Instruments 100
#8 Abb Schweiz Ag 97
#9 Eaton Intelligent Power Limited 82
#10 Panasonic 77
#11 Canon 72
#12 Apple 71
#13 Fanuc 71
#14 onsemi 66
#15 Robert Bosch Gmbh 64
#16 LG 62
#17 Johnson Electric International Ag 60
#18 Dialog Semiconductor (Uk) Limited 56
#19 Hitachi Automotive Systems 56
#20 Lg Innotek Co. 55
#21 Rohm Co. 53
#22 Sumitomo Electric Industries 52
#23 Intel 49
#24 Energous 48
#25 Sumitomo Wiring Systems 48
#26 Infineon Technologies Austria Ag 47
#27 Kabushiki Kaisha Toshiba 47
#28 Honda Motor Co. 46
#29 Nidec 46
#30 Infineon Technologies Ag 45
#31 Stmicroelectronics Sa 43
#32 Hamilton Sundstrand 42
#33 Ford 42
#34 Fuji Electric Co. 41
#35 Hyundai Motor 41
#36 Lsis Co. 41
#37 Murata Manufacturing Co. 41
#38 Qualcomm 41
#39 OPPO 40
#40 On-Bright Electronics (Shanghai) Co. 39
#41 Unknown 38
#42 IBM 38
#43 Hubbell Incorporated 37
#44 Tesla 37
#45 Hitachi 34
#46 Power Integrations 32
#47 Richtek Technology 32
#48 Autonetworks Technologies 31
#49 General Motors 30
#50 Dell Products 29
#51 Renesas Electronics 29
#52 The Boeing 29
#53 Kia Motors 28
#54 Nxp B.V. 28
#55 Rockwell Automation 28
#56 Huawei 28
#57 Sony 28
#58 Toshiba Mitsubishi-Electric Industrial Systems 27
#59 Silergy Semiconductor Technology (Hangzhou) 26
#60 Yazaki 26
#61 Delta Electronics 25
#62 Minebea Mitsumi 25
#63 Omron 25
#64 Ossia 24
#65 Regal Beloit America 24
#66 Sunpower 24
#67 Aac Technologies Pte. 23
#68 Kyocera 23
#69 Mediatek 23
#70 Daikin Industries 22
#71 Nec 22
#72 Seiko Epson 22
#73 Tdk 22
#74 Fujitsu Limited 21
#75 Valeo Equipements Electriques Moteur 21
#76 Makita 20
#77 Schneider Electric It 20
#78 Siemens Industry 20
#79 Witricity 20
#80 Black & Decker 19
#81 Koniniklijke Philips N.V. 19
#82 KAIST 18
#83 Ablic 17
#84 Analog Devices International Unlimited 17
#85 Chengdu Monolithic Power Systems Co. 17
#86 Continental Automotive Gmbh 17
#87 Futurewei Technologies 17
#88 Signify Holding B.V. 17
#89 BOE 17
#90 Anpec Electronics 16
#91 Delta Electronics (Shanghai) Co. 16
#92 Dialog Semiconductor 16
#93 Yaskawa Electric 16
#94 Linear Technology Holding 16
#95 Nr Electric Co. 16
#96 Psemi 16
#97 Honeywell 16
#98 RTX (Raytheon) 16
#99 Asator Global Technologies 15
#100 Audi Ag 15