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Top 100 Key Players companies in AC asynchronous motor
by Most Patent Citation in the world in 2021

The AC asynchronous motor top 100 is Discovery PatSnap’ annual ranking of the top 100 Most Patent Citation AC asynchronous motor Key Players in the world. Discovery has identified the top key players, startups & unicorns, fast-growings, news entrants in 2021, ranking from differnt perspectives, including patent filing intensity, academic research capability, news media heat. The company list is generated from various data types.

Key Players

Fast-growings

Startups & Unicorns

New Entrants

Ranking Year:

2022

2021

2020

2019

2018

Region:

Global

China

Japan

Germany

United States

South Korea

United Kingdom

France

Ranking:

Most Patent Filings

Highest Patent Value

Most Patent Citation

Most Research Publications

Most Literature Citation

Most Market Reports

Most News Heat

#
Company Name
Region
Tech Topics
Total
1
Hitachi Ltd.
Tokyo, Japan
Elevator,Electrical equipment,Electric motor,
...[+2]
patent citation: 6,353
2
Mitsubishi Electric Engineering Co., Ltd.
Tokyo, Japan
patent citation: 5,503
3
TOSHIBA Corp.
Tokyo, Japan
Semiconductor,Computer hardware,Electronics,
...[+2]
patent citation: 3,709
4
Matsushita Electronics Corp.
Osaka, Japan
Electronics,Computer hardware,DVD player,
...[+2]
patent citation: 2,027
5
Meidensha Corp.
Tokyo, Japan
Electrical equipment,Social infrastructure,Electronics,
...[+2]
patent citation: 1,798
6
Fuji Electronics Co., Ltd.
Tokyo, Japan
Semiconductor,Microcomputer,Electronic component,
...[+2]
patent citation: 1,670
7
Fuji Electric FA Components & SYstems Co., Ltd.
Tokyo, Japan
Semiconductor,Industrial engineering,Smart grid,
...[+2]
patent citation: 1,670
8
FANUC Corp.
Yamanashi, Japan
Robotics,Robot,Automation,
...[+2]
patent citation: 1,470
9
Siemens AG
Bayern, Germany
Power transmission,Electronics,Turbine,
...[+2]
patent citation: 1,037
10
Siemens SA
Madrid, Spain
Scientific Control,Telecommunications,Turbine,
...[+1]
patent citation: 1,037
11
Westinghouse Electric Co. LLC
Pennsylvania, United States
Nuclear power plant,Pressurized water reactor,Power transmission,
...[+2]
patent citation: 872
12
General Motors Co.
Michigan, United States
Sport utility vehicle,Public transport,Enterprise software,
...[+2]
patent citation: 844
13
YASKAWA Electric Corp.
Fukuoka, Japan
Robotics,Automation,Electrical equipment,
...[+2]
patent citation: 798
14
Emerson Electric Co.
Missouri, United States
Software,Computer hardware,Electronics,
...[+2]
patent citation: 732
15
Ford Motor Co. A/S
Denmark
patent citation: 732
16
Otis Elevator Co.
Connecticut, United States
Elevator,Manufacturing engineering,Industrial engineering,
...[+2]
patent citation: 723
17
Allen-Bradley Co., Inc.
WI, US
Aerospace,National security,Control equipment,
...[+2]
patent citation: 706
18
LG Electronics, Inc.
South Korea
Computer hardware,Electronics,Telecommunications,
...[+2]
patent citation: 616
19
Satake Engineering Co., Ltd.
Tokyo, Japan
patent citation: 517
20
Siemens Energy & Automation, Inc.
United States
Electronics,Automation,Electric utility
patent citation: 514
21
SANYO Electric Co., Ltd.
Osaka, Japan
Semiconductor,Computer hardware,Software,
...[+2]
patent citation: 462
22
Midea Group Co. Ltd.
Jilin, China
Air conditioning,Electronics,Fast-moving consumer goods,
...[+2]
patent citation: 440
23
Eaton Corp.
Dublin, Ireland
Automotive engineering,Power transmission,Electrical equipment,
...[+2]
patent citation: 429
24
Nissan Motor Co., Ltd.
Kanagawa, Japan
Truck,Public transport,Automotive engineering,
...[+2]
patent citation: 428
25
Robert Bosch GmbH
Baden-Württemberg, Germany
Automotive engineering,Mechanical engineering,Electronics,
...[+2]
patent citation: 424
26
The Swatch Group Management Services AG
Switzerland
patent citation: 404
27
Toyota Motor Corp.
Aichi, Japan
Sport utility vehicle,Mobile device,Public transport,
...[+2]
patent citation: 388
28
G.M. Srl
Vicenza, Italy
Chemical engineering
patent citation: 369
29
Nidec Motor Corp.
Missouri, United States
Electric motor,Electrical equipment,Electronics,
...[+2]
patent citation: 365
30
Power Efficiency Corp.
Nevada, United States
Efficient energy use,Power transmission,Electronic component,
...[+2]
patent citation: 360
31
Samsung Electronics Co., Ltd.
South Korea
Computer hardware,Semiconductor,Software,
...[+2]
patent citation: 343
32
A. O. Smith Corp.
Wisconsin, United States
Water treatment,Renewable energy,Efficient energy use,
...[+2]
patent citation: 311
33
Nihon Denso KK
Saitama, Japan
Manufacturing engineering,Mechanical engineering
patent citation: 303
34
National Research Development Corp.
United Kingdom
patent citation: 300
35
Eaton Intelligent Power Ltd.
Dublin, Ireland
Mutual fund
patent citation: 284
36
Mitsubishi Kogyo KK
Japan
patent citation: 283
37
CAMP SpA
Lecco, Italy
patent citation: 276
38
Rangaire, Inc.
South Carolina, United States
Automation,Mechanical engineering,Manufacturing engineering,
...[+1]
patent citation: 271
39
Reliance Electric Technologies LLC
Ohio, United States
patent citation: 271
40
Sumitomo Heavy Industries, Ltd.
Tokyo, Japan
Sewage treatment,Proton therapy,Cryocooler,
...[+2]
patent citation: 267
41
Computational Systems, Inc.
Tennessee, United States
Control theory,Proactive maintenance,Peripheral,
...[+1]
patent citation: 259
42
IHI Power Systems Co., Ltd.
Tokyo, Japan
Turbine,Gas engine,Manufacturing engineering,
...[+2]
patent citation: 253
43
Siemens VDO Automotive Corp.
Michigan, United States
Automotive engineering,Automotive electronics,Fuel injection
patent citation: 253
44
Zurn Water Solutions Corp.
Wisconsin, United States
Motion control,Industrial engineering,Turbine,
...[+2]
patent citation: 227
45
Rockwell Automation Technologies, Inc.
Minnesota, United States
Semiconductor,Automation,Electronic component
patent citation: 215
46
Empresa Brasileira de Compressores SA
Brazil
Refrigeration,Reciprocating compressor,Mechanical engineering,
...[+2]
patent citation: 209
47
Zhejiang Shaoxing Supor Domestic Electrical Appliance Co.
Zhejiang Sheng, China
Electronics
patent citation: 188
48
ABB Automation, Inc.
United States
Automation,Manufacturing engineering,Mechanical engineering,
...[+2]
patent citation: 188
49
Matsushita Seiko Co Ltd
Osaka, Japan
Automation,Manufacturing engineering,Industrial engineering,
...[+2]
patent citation: 185
50
State Grid Corp. of China
Beijing Shi, China
Electric vehicle,Power grid,Total asset,
...[+2]
patent citation: 182
51
Continental Automotive Systems, Inc.
Michigan, United States
Automotive engineering,New Car Assessment Program,Automotive systems,
...[+2]
patent citation: 182
52
Bristol Compressors International, Inc.
Virginia, United States
Refrigeration,Reciprocating compressor,Air compressor,
...[+2]
patent citation: 179
53
Danfoss A/S
Syddanmark, Denmark
Air conditioning,Solenoid,Electric motor,
...[+2]
patent citation: 177
54
Matsushita Refrigeration Co.
Osaka, Japan
Electronics,Heat exchanger,Refrigeration,
...[+1]
patent citation: 176
55
International Controls & Measurements Corp.
patent citation: 175
56
Associated Electrical Industries Ltd.
West Midlands, United Kingdom
patent citation: 172
57
Shibaura Mechatronics Corp.
Kanagawa, Japan
Semiconductor,Robotic lawn mower,Mechatronics,
...[+2]
patent citation: 169
58
Honda Motor Co., Ltd.
Tokyo, Japan
Automotive engineering,Manufacturing engineering,Sport utility vehicle,
...[+2]
patent citation: 167
59
Ebara Corp.
Tokyo, Japan
Vacuum pump,Manufacturing engineering,Turbine,
...[+2]
patent citation: 165
60
Joyoung Co., Ltd.
Shandong Sheng, China
Electronics,Cooker,Microwave,
...[+2]
patent citation: 165
61
Grundfos A/S
Midtjylland, Denmark
Crop,Mechanical engineering,Centrifugal pump,
...[+2]
patent citation: 163
62
Hitachi Building Systems Co., Ltd.
Tokyo, Japan
Elevator,Electronic product
patent citation: 161
63
PACECO Corp.
California, United States
Gantry crane,Mechanical engineering,Manufacturing engineering,
...[+1]
patent citation: 156
64
Hamilton Sundstrand Corp.
North Carolina, United States
Aerospace,Control system,National security,
...[+2]
patent citation: 154
65
Mercedes-Benz Group AG
Baden-Württemberg, Germany
Automotive engineering,Electric vehicle,Hybrid vehicle,
...[+2]
patent citation: 153
66
Satake Corp.
Hiroshima, Japan
Food processing,Manufacturing engineering,Pea protein,
...[+1]
patent citation: 153
67
Englishco LLC
New York, United States
patent citation: 152
68
BBC Brown Boveri Ltd.
Switzerland
patent citation: 148
69
DAIKIN INDUSTRIES Ltd.
Osaka, Japan
Air conditioning,Refrigeration,Mechanical engineering,
...[+2]
patent citation: 146
70
U.S. Well Services LLC
Texas, United States
Oil field,Petroleum industry,Natural resource management,
...[+2]
patent citation: 145
71
Pacesetter, Inc.
California, United States
Health care
patent citation: 137
72
Trane International, Inc.
North Carolina, United States
Building management,Automation,Manufacturing engineering,
...[+2]
patent citation: 136
73
Hitachi Plant Technologies Ltd.
Tokyo, Japan
Water treatment,Environmental consulting,Microfiltration,
...[+2]
patent citation: 134
74
TOC Co., Ltd.
Tokyo, Japan
Laundry,Coin,Facility management,
...[+1]
patent citation: 132
75
Milacron LLC
Ohio, United States
Hot runner,Polystyrene,Plastics engineering,
...[+2]
patent citation: 127
76
Yamada Electric Mfg Co., Ltd.
Japan
patent citation: 126
77
Fujitsu Ltd.
Tokyo, Japan
Cloud computing,Enterprise software,Information technology management,
...[+2]
patent citation: 125
78
Fujitsu Microelectronics America, Inc.
California, United States
Semiconductor,Microelectronics,Electronic component,
...[+2]
patent citation: 125
79
Bombardier, Inc.
Quebec, Canada
Aerospace,Public transport,Automotive engineering,
...[+2]
patent citation: 123
80
Yamaha Motor Co., Ltd.
Shizuoka, Japan
Robotics,Industrial robot,Automotive engineering,
...[+2]
patent citation: 121
81
Polaris Inc.
Ohio, United States
Electric vehicle,Atazanavir,Public transport,
...[+2]
patent citation: 119
82
Danfoss Drives A/S
Denmark
Computer hardware,Electronics,Chiller,
...[+2]
patent citation: 116
83
Okuma Corp.
Aichi, Japan
Machining,Automation,Manufacturing engineering,
...[+2]
patent citation: 114
84
Sawafuji Electric Co., Ltd.
Japan
Electrical equipment,Diesel generator,Manufacturing engineering,
...[+2]
patent citation: 114
85
FCA US LLC
Michigan, United States
Automotive engineering,Spark plug,Turbocharger,
...[+2]
patent citation: 111
86
ABB Power Distribution, Inc.
West Virginia, United States
patent citation: 111
87
Mitsubishi Electric Home Appliance Co., Ltd.
Saitama, Japan
Electronics
patent citation: 108
88
Franklin Electric Co., Inc.
Indiana, United States
Electric motor,Electrical equipment,AC motor,
...[+2]
patent citation: 105
89
Southwest Electric Co.
Oklahoma, United States
Product design,Electrical equipment,Electric motor,
...[+2]
patent citation: 104
90
Gree Electric Appliances, Inc. of Zhuhai
Guangdong Sheng, China
Electronics,Conditioners,Air conditioning,
...[+2]
patent citation: 103
91
Hitachi Industrial Equipment Systems Co., Ltd.
Tokyo, Japan
Switchgear,Air compressor,Computer hardware,
...[+2]
patent citation: 103
92
Sequence Controls, Inc.
ON, CA
patent citation: 100
93
U.S. Philips Corp.
Pennsylvania, United States
patent citation: 99
94
Shibaura Machine Co., Ltd.
Shizuoka, Japan
Computer hardware,Industrial engineering,Robotics,
...[+2]
patent citation: 96
95
Bayerische Motoren Werke AG
Bayern, Germany
Sales management,Product design,Automotive engineering,
...[+2]
patent citation: 94
96
MAHLE Filtersysteme GmbH
BW, DE
Gasoline,Automation,Manufacturing engineering,
...[+2]
patent citation: 94
97
Shanken Electric Co. Ltd.
Japan
patent citation: 92
98
Schneider Electric SE
Île-de-France, France
Energy management,Software,Renewable energy,
...[+2]
patent citation: 90
99
Van Dorn Demag Corp.
OH, US
Oil well,Fluid power,Metalworking,
...[+1]
patent citation: 90
100
Zinser Textilmaschinen GmbH
Germany
patent citation: 89

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