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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 2021 2021

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 Hatem Zeine 19 Ossia
2 Jialiang Zhang 17 OPPO
3 Yongcheol PARK 15 LG
#4 Guy Sella 14 Solaredge Technologies
#5 Ilan Yoscovich 14 Solaredge Technologies
#6 Yoav Galin 14 Solaredge Technologies
#7 Hussain Bassi 13 King Abdulaziz University
#8 Kyung-Woo Lee 13 Samsung
#9 Yoshiaki Yamashita 13 Nidec
#10 Chun-Kil Jung 12 GE
#11 Goro Nakao 12 Omron
#12 Tzachi Glovinsky 12 Solaredge Technologies
#13 Chen Tian 11 OPPO
#14 David Giuliano 11 Psemi
#15 Dianbo Fu 11 Futurewei Technologies
#16 Lior Handelsman 11 Solaredge Technologies
#17 Lubin Mao 11 Aac Technologies Pte.
#18 Michael W. Degner 11 Ford
#19 Se-Ho Park 11 Samsung
#20 Aichen Low 10 Psemi
#21 Aleksandar Radic 10 Appulse Power
#22 Kang-Ho Byun 10 Samsung
#23 Muhyaddin Rawa 10 King Abdulaziz University
#24 Shiming Wan 10 OPPO
#25 Takashi Hattori 10 Nidec
#26 Takayuki Migita 10 Nidec
#27 Tzu-Tseng Chan 10 Acer Incorporated
#28 Yun Tang 10 Aac Acoustic Technologies (Shenzhen) Co.
#29 Alireza Fatemi 9 General Motors
#30 Da Jin 9 Delta Electronics
#31 Donald Richard Zimmanck 9 Enphase Energy
#32 Gregory Szczeszynski 9 Psemi
#33 Hao Huang 9 GE
#34 Hee-Won Jung 9 Samsung
#35 Hiroshi Kitahara 9 Nidec Sankyo
#36 Kazunori Hatakeyama 9 Mitsubishi Electric
#37 Kirk Neet 9 Borgwarner
#38 Meir Adest 9 Solaredge Technologies
#39 Robert Gregory Wagoner 9 GE
#40 Sung-Bum Park 9 Samsung
#41 Takahiro Kizu 9 Nidec
#42 Toshiya Okamoto 9 Sharp Kabushiki Kaisha
#43 Toshiyuki Zaitsu 9 Omron
#44 Andries Van Wageningen 8 Koniniklijke Philips N.V.
#45 Atsushi Nomura 8 Omron
#46 Jinfa Zhang 8 Delta Electronics (Shanghai) Co.
#47 Johannes Brombach 8 Wobben Properties Gmbh
#48 Junta Izumi 8 Toyota
#49 Kazuo Ootsuka 8 Toyota
#50 Kenji Kimura 8 Toyota
#51 Kohei Matsuura 8 Honda Motor Co.
#52 Kyosuke Tanemura 8 Toyota
#53 Michael A. Leabman 8 Energous
#54 Naoki Yanagizawa 8 Toyota
#55 Ryuji Yamada 8 Fuji Electric Co.
#56 Shigeaki Goto 8 Toyota
#57 Shuji Tomura 8 Toyota
#58 Stephen C. Terry 8 Apple
#59 Takao Atarashi 8 Nidec
#60 Takayuki Ban 8 Toyota
#61 Toshihiro Katsuda 8 Toyota
#62 Wang Zhang 8 Silergy Semiconductor Technology (Hangzhou)
#63 Yuichi Nishikawa 8 Nidec
#64 Akira Furukawa 7 Mitsubishi Electric
#65 Amir Fishelov 7 Solaredge Technologies
#66 Arun Khamesra 7 Cypress Semiconductor
#67 Edmund O. Schweitzer, III 7 Schweitzer Engineering Laboratories
#68 Feng Liang 7 Ford
#69 Glenn C. Lemmers, Jr. 7 Hamilton Sundstrand
#70 Hariom Rai 7 Cypress Semiconductor
#71 Hiroki Aso 7 Mitsubishi Electric
#72 Hitoshi Katsura 7 Exedy
#73 Hiroshi Kitagaki 7 Nidec
#74 Hironobu Nishi 7 Toyota
#75 Hiroshi Shirai 7 Nidec Tosok
#76 Hua Ni 7 Sungrow Power Supply Co.
#77 John Walley 7 Broadcom
#78 Junichi Matsumoto 7 Ricoh Company
#79 Juni Yasoshima 7 Toyota
#80 Keiichiro Nukada 7 Panasonic
#81 Ki Young Kim 7 Samsung
#82 Koji Yabe 7 Mitsubishi Electric
#83 Lieyi Fang 7 On-Bright Electronics (Shanghai) Co.
#84 Masato Aoki 7 Minebea Mitsumi
#85 Makoto Taniguchi 7 Denso
#86 Mark Telefus 7 Flextronics Ap
#87 Masao Tsuchihashi 7 Nidec Sankyo
#88 Patrick L. Chapman 7 Sunpower
#89 Qinghua Su 7 Delta Electronics
#90 Satoru Akutsu 7 Mitsubishi Electric
#91 Shuichi Kinjo 7 Nidec Tosok
#92 Sung-Ku Yeo 7 Samsung
#93 Takeshi Akao 7 Japan Tobacco
#94 Tatsuya Hosotani 7 Murata Manufacturing Co.
#95 Taichi Kitamura 7 Exedy
#96 Taiki Nishimoto 7 Panasonic
#97 Tadashi Yamaguchi 7 Renesas Electronics
#98 Xiaochuan Jia 7 GE
#99 Yahong Xiong 7 Delta Electronics
#100 Yusuke Kawai 7 Mazda Motor

Top Companies

Rank ↑ Company ↕ Patents ↕
1 Mitsubishi Electric 208
2 Samsung 146
3 GE 125
#4 Texas Instruments 110
#5 Toyota 99
#6 Denso 89
#7 Nidec 89
#8 Siemens Aktiengesellschaft 76
#9 LG 75
#10 Apple 73
#11 Honda Motor Co. 67
#12 Abb Schweiz Ag 63
#13 Canon 63
#14 Panasonic 61
#15 Delta Electronics 60
#16 Eaton Intelligent Power Limited 60
#17 Ford 56
#18 Hamilton Sundstrand 50
#19 Fuji Electric Co. 46
#20 Robert Bosch Gmbh 45
#21 Lg Innotek Co. 43
#22 Kabushiki Kaisha Toshiba 42
#23 Rohm Co. 42
#24 General Motors 40
#25 Hyundai Motor 39
#26 Kia Motors 39
#27 Sumitomo Wiring Systems 39
#28 IBM 39
#29 Toshiba Mitsubishi-Electric Industrial Systems 36
#30 Huawei 35
#31 Minebea Mitsumi 33
#32 Silergy Semiconductor Technology (Hangzhou) 33
#33 Hubbell Incorporated 32
#34 Intel 32
#35 Infineon Technologies Austria Ag 31
#36 Murata Manufacturing Co. 31
#37 Yazaki 30
#38 Omron 29
#39 Solaredge Technologies 29
#40 Sumitomo Electric Industries 29
#41 onsemi 28
#42 Sony 28
#43 Fanuc 27
#44 Stmicroelectronics Sa 26
#45 Schweitzer Engineering Laboratories 25
#46 Unknown 25
#47 Aisin Aw Co. 24
#48 Dr. Ing. H.C. F. Porsche Ag 24
#49 OPPO 23
#50 Psemi 23
#51 Johnson Electric International Ag 22
#52 Delta Electronics (Shanghai) Co. 21
#53 Hitachi Automotive Systems 21
#54 Seiko Epson 21
#55 Sunpower 21
#56 The Boeing 21
#57 RTX (Raytheon) 21
#58 Autonetworks Technologies 20
#59 Rolls-Royce Plc 20
#60 Black & Decker 19
#61 Ossia 19
#62 Rockwell Automation 19
#63 Dialog Semiconductor (Uk) Limited 18
#64 Nidec Tosok 18
#65 Power Integrations 18
#66 Tdk 18
#67 Borgwarner 17
#68 CEA 17
#69 Enphase Energy 17
#70 Nxp B.V. 17
#71 Infineon Technologies Ag 16
#72 Acer Incorporated 15
#73 Anpec Electronics 15
#74 Hitachi 15
#75 Koniniklijke Philips N.V. 15
#76 Kyocera 15
#77 Mitsumi Electric Co. 15
#78 Wobben Properties Gmbh 15
#79 Amazon 14
#80 Astec International Limited 14
#81 Chicony Power Technology Co. 14
#82 Cypress Semiconductor 14
#83 King Abdulaziz University 14
#84 Nidec Sankyo 14
#85 Regal Beloit America 14
#86 Schneider Electric It 14
#87 Sungrow Power Supply Co. 14
#88 Vestas Wind Systems A/S 14
#89 Honeywell 14
#90 Analog Devices International Unlimited 13
#91 Audi Ag 13
#92 Makita 13
#93 Nxp Usa 13
#94 Renesas Electronics 13
#95 Tesla 13
#96 Abb Power Grids Switzerland Ag 12
#97 Chengdu Monolithic Power Systems Co. 12
#98 Dell Products 12
#99 Hitachi Industrial Equipment Systems Co. 12
#100 Hyosung Heavy Industries 12