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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 2018 2018

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 76 Energous
2 Lubin Mao 32 Aac Technologies Pte.
3 Hongxing Wang 28 Aac Technologies Pte.
#4 James F. Corum 25 Cpg Technologies
#5 Kenneth L. Corum 24 Cpg Technologies
#6 Douglas Bell 21 Energous
#7 Lieyi Fang 20 On-Bright Electronics (Shanghai) Co.
#8 Gregory Scott Brewer 19 Energous
#9 Hiroshi Kanno 16 Panasonic
#10 Jialiang Zhang 16 OPPO
#11 Masaya Inoue 16 Mitsubishi Electric
#12 Michael W. Degner 16 Ford
#13 Su Ho Bae 15 Lg Innotek Co.
#14 Hongfu Xu 14 Aac Technologies Pte.
#15 In Wha Jeong 14 Samsung
#16 Kazuhiko Baba 14 Mitsubishi Electric
#17 Na Wu 14 Aac Technologies Pte.
#18 Zhilin Chai 14 Aac Technologies Pte.
#19 Amir Babazadeh 13 Infineon Technologies Austria Ag
#20 Hiroyuki Ishii 13 Ntt Docomo
#21 Hee-Won Jung 12 Samsung
#22 Hugh Kim 12 Samsung
#23 Joseph F. Pinzone 12 Cpg Technologies
#24 Masanori Ishigaki 12 Toyota
#25 Masahiro Nigo 12 Mitsubishi Electric
#26 Masaki Okamura 12 Toyota
#27 Garold C. Miller 11 Halo2Cloud
#28 Hiroki Aso 11 Mitsubishi Electric
#29 Junichiro Oya 11 Mitsubishi Electric
#30 Kewei Wu 11 OPPO
#31 Nathan Daniel Weinstein 11 Halo2Cloud
#32 Andrew T. Sultenfuss 10 Dell Products
#33 Dianbo Fu 10 Futurewei Technologies
#34 Fei Hou 10 Aac Technologies Pte.
#35 Hatem Zeine 10 Ossia
#36 James D. Lilly 10 Cpg Technologies
#37 Kang-Ho Byun 10 Samsung
#38 Kazuchika TSUCHIDA 10 Mitsubishi Electric
#39 Mineo Yamamoto 10 Mitsubishi Electric
#40 Nam Yun Kim 10 Samsung
#41 Pengju Kong 10 Dialog Semiconductor
#42 Robert Gregory Wagoner 10 GE
#43 Ryota Kondo 10 Mitsubishi Electric
#44 Ta-Yung Yang 10 System General
#45 Yuto Urabe 10 Mitsubishi Electric
#46 Akira Hashimoto 9 Mitsubishi Electric
#47 Alister Hosseini 9 Energous
#48 Atsushi Sakaue 9 Mitsubishi Electric
#49 Atsushi Yamamoto 9 Panasonic
#50 Basil F. Pinzone, Jr. 9 Cpg Technologies
#51 Fanghua Ling 9 Aac Technologies Pte.
#52 Hiroki Kikuchi 9 Rohm Co.
#53 Keiji Kondou 9 Denso
#54 Koichi Arisawa 9 Mitsubishi Electric
#55 Kyung-Woo Lee 9 Samsung
#56 Sang Ho Cho 9 Samsung
#57 Shin Kusase 9 Denso
#58 Songnan Yang 9 Intel
#59 Tsutomu Sakata 9 Panasonic
#60 Tyrus Hudson 9 Tesla
#61 Wenjuan Du 9 Hisense Mobile Communications Technology Co.
#62 Benjamim Tang 8 Infineon Technologies Austria Ag
#63 David Molina 8 Tesla
#64 Gerald Deboy 8 Infineon Technologies Austria Ag
#65 Gregory I. Rozman 8 Hamilton Sundstrand
#66 Hans Halberstadt 8 Nxp B.V.
#67 Heping Dai 8 Futurewei Technologies
#68 Hyuk-Choon Kwon 8 Samsung
#69 Isaac S. Frampton 8 Kohler
#70 Jacek F. Gieras 8 Hamilton Sundstrand
#71 Jianming Yao 8 Dialog Semiconductor
#72 Jong Heum Park 8 Samsung
#73 Keiichi Ichikawa 8 Murata Manufacturing Co.
#74 Kennith Kin Leong 8 Infineon Technologies Austria Ag
#75 Kiyohide Sakai 8 Mitsubishi Electric
#76 Koichiro Kamata 8 Semiconductor Energy Laboratory
#77 Krzysztof W. Korcz 8 Hubbell Incorporated
#78 Liming Ye 8 Xiamen Lota International Co.
#79 Naoyoshi Takamatsu 8 Toyota
#80 Patrick L. Chapman 8 Sunpower
#81 Ronald A. Vaccaro 8 Commscope Technologies
#82 Sang Wook Kwon 8 Samsung
#83 Se-Ho Park 8 Samsung
#84 Shingo Hashimoto 8 Aisin Aw Co.
#85 Shoichi Toya 8 Panasonic
#86 Takeo Maekawa 8 Denso
#87 Toshihiro Ezoe 8 Mitsubishi Electric Engineering Company, Limited
#88 Yoshiyuki Akuzawa 8 Mitsubishi Electric Engineering Company, Limited
#89 Yosuke Shinomoto 8 Mitsubishi Electric
#90 Akito Tamura 7 Denso
#91 Chen Zhao 7 Silergy Semiconductor Technology (Hangzhou)
#92 Dan Cao 7 Tencent
#93 Feng Yu 7 Silergy Semiconductor Technology (Hangzhou)
#94 Francesco Carobolante 7 —
#95 Fuchun Liao 7 OPPO
#96 Fuqiang Shi 7 Dialog Semiconductor
#97 Hangseok Choi 7 Fairchild Semiconductor
#98 Harold Robert Schnetzka 7 York International
#99 Hironori Tsuiki 7 Mitsubishi Electric
#100 Hiroshi Yamamoto 7 Canon

Top Companies

Rank ↑ Company ↕ Patents ↕
1 Mitsubishi Electric 230
2 Samsung 161
3 GE 159
#4 Toyota 117
#5 Denso 115
#6 Panasonic 114
#7 Siemens Aktiengesellschaft 104
#8 Texas Instruments 90
#9 onsemi 86
#10 Abb Schweiz Ag 78
#11 Energous 76
#12 Infineon Technologies Austria Ag 72
#13 Robert Bosch Gmbh 71
#14 Kabushiki Kaisha Toshiba 67
#15 Lsis Co. 66
#16 Apple 59
#17 Fuji Electric Co. 59
#18 Lg Innotek Co. 57
#19 Aac Technologies Pte. 54
#20 Fanuc 54
#21 Murata Manufacturing Co. 53
#22 Qualcomm 50
#23 Rohm Co. 48
#24 IBM 48
#25 Intel 48
#26 Hyundai Motor 47
#27 Nxp B.V. 45
#28 Hamilton Sundstrand 44
#29 Silergy Semiconductor Technology (Hangzhou) 42
#30 Canon 42
#31 Unknown 41
#32 Dialog Semiconductor (Uk) Limited 40
#33 Infineon Technologies Ag 40
#34 Hitachi Automotive Systems 39
#35 Eaton Intelligent Power Limited 38
#36 Honda Motor Co. 37
#37 Hitachi 36
#38 Stmicroelectronics Sa 36
#39 Ford 36
#40 LG 35
#41 Delta Electronics 33
#42 The Boeing 32
#43 Philips Lighting Holding B.V. 31
#44 Yazaki 31
#45 Tesla 31
#46 Sumitomo Wiring Systems 30
#47 Dell Products 29
#48 Dialog Semiconductor 29
#49 Nec 28
#50 Toshiba Mitsubishi-Electric Industrial Systems 28
#51 Delta Electronics (Shanghai) Co. 27
#52 Hubbell Incorporated 27
#53 Nidec Motor 27
#54 General Motors 27
#55 Cpg Technologies 25
#56 Nidec 25
#57 Renesas Electronics 25
#58 Sony 25
#59 Mediatek 24
#60 Power Integrations 24
#61 Rockwell Automation 24
#62 Sumitomo Electric Industries 23
#63 Sunpower 23
#64 Kyocera 22
#65 Johnson Electric S.A. 21
#66 Koniniklijke Philips N.V. 20
#67 Sma Solar Technology Ag 20
#68 Chengdu Monolithic Power Systems Co. 19
#69 Valeo Equipements Electriques Moteur 19
#70 Huawei 19
#71 CEA 18
#72 Daikin Industries 18
#73 OPPO 18
#74 Schneider Electric It 18
#75 Autonetworks Technologies 17
#76 Yaskawa Electric 17
#77 Nxp Usa 17
#78 Regal Beloit America 17
#79 Richtek Technology 17
#80 Aisin Aw Co. 16
#81 Borgwarner 16
#82 Intersil Americas 16
#83 On-Bright Electronics (Shanghai) Co. 16
#84 State Grid Corporation Of China 16
#85 Google 16
#86 Fairchild Semiconductor 15
#87 Fujitsu Limited 15
#88 ITRI 15
#89 Kia Motors 15
#90 KAIST 15
#91 Seg Automotive Germany Gmbh 15
#92 Sungrow Power Supply Co. 15
#93 Zte 15
#94 Caterpillar 15
#95 Eaton 14
#96 Enphase Energy 14
#97 Omron 14
#98 Semiconductor Energy Laboratory 14
#99 Tdk 14
#100 Astec International Limited 13