Top 100 Key Players companies in AC asynchronous motor by Most Patent Filings in the world in 2020 – Discovery

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1	Mitsubishi Electric Engineering Co., Ltd.	Tokyo, Japan		Patent: 1,653
2	Hitachi Ltd.	Tokyo, Japan	Elevator,Electrical equipment,Electric motor, ...[+2]	Patent: 1,450
3	TOSHIBA Corp.	Tokyo, Japan	Semiconductor,Computer hardware,Electronics, ...[+2]	Patent: 1,276
4	Fuji Electronics Co., Ltd.	Tokyo, Japan	Semiconductor,Microcomputer,Electronic component, ...[+2]	Patent: 534
5	Fuji Electric FA Components & SYstems Co., Ltd.	Tokyo, Japan	Semiconductor,Industrial engineering,Smart grid, ...[+2]	Patent: 534
6	Matsushita Electronics Corp.	Osaka, Japan	Electronics,Computer hardware,DVD player, ...[+2]	Patent: 497
7	Siemens AG	Bayern, Germany	Power transmission,Electronics,Turbine, ...[+2]	Patent: 413
8	Siemens SA	Madrid, Spain	Scientific Control,Telecommunications,Turbine, ...[+1]	Patent: 413
9	LG Electronics, Inc.	South Korea	Computer hardware,Electronics,Telecommunications, ...[+2]	Patent: 389
10	Meidensha Corp.	Tokyo, Japan	Electrical equipment,Social infrastructure,Electronics, ...[+2]	Patent: 389
11	FANUC Corp.	Yamanashi, Japan	Robotics,Robot,Automation, ...[+2]	Patent: 343
12	Zhejiang Shaoxing Supor Domestic Electrical Appliance Co.	Zhejiang Sheng, China	Electronics	Patent: 323
13	YASKAWA Electric Corp.	Fukuoka, Japan	Robotics,Automation,Electrical equipment, ...[+2]	Patent: 265
14	Midea Group Co. Ltd.	Jilin, China	Air conditioning,Electronics,Fast-moving consumer goods, ...[+2]	Patent: 251
15	Satake Engineering Co., Ltd.	Tokyo, Japan		Patent: 210
16	Westinghouse Electric Co. LLC	Pennsylvania, United States	Nuclear power plant,Pressurized water reactor,Power transmission, ...[+2]	Patent: 151
17	SANYO Electric Co., Ltd.	Osaka, Japan	Semiconductor,Computer hardware,Software, ...[+2]	Patent: 139
18	Joyoung Co., Ltd.	Shandong Sheng, China	Electronics,Cooker,Microwave, ...[+2]	Patent: 121
19	Otis Elevator Co.	Connecticut, United States	Elevator,Manufacturing engineering,Industrial engineering, ...[+2]	Patent: 111
20	Satake Corp.	Hiroshima, Japan	Food processing,Manufacturing engineering,Pea protein, ...[+1]	Patent: 106
21	Toyota Motor Corp.	Aichi, Japan	Sport utility vehicle,Mobile device,Public transport, ...[+2]	Patent: 104
22	Samsung Electronics Co., Ltd.	South Korea	Computer hardware,Semiconductor,Software, ...[+2]	Patent: 104
23	Hitachi Industrial Equipment Systems Co., Ltd.	Tokyo, Japan	Switchgear,Air compressor,Computer hardware, ...[+2]	Patent: 99
24	STARTUP Englishco LLC	New York, United States		Patent: 98
25	Robert Bosch GmbH	Baden-Württemberg, Germany	Automotive engineering,Mechanical engineering,Electronics, ...[+2]	Patent: 89
26	Nissan Motor Co., Ltd.	Kanagawa, Japan	Truck,Public transport,Automotive engineering, ...[+2]	Patent: 88
27	Emerson Electric Co.	Missouri, United States	Software,Computer hardware,Electronics, ...[+2]	Patent: 87
28	State Grid Corp. of China	Beijing Shi, China	Electric vehicle,Power grid,Total asset, ...[+2]	Patent: 87
29	Mitsubishi Kogyo KK	Japan		Patent: 84
30	G.M. Srl	Vicenza, Italy	Chemical engineering	Patent: 77
31	National Research Development Corp.	United Kingdom		Patent: 77
32	BBC Brown Boveri Ltd.	Switzerland		Patent: 75
33	Danfoss A/S	Syddanmark, Denmark	Air conditioning,Solenoid,Electric motor, ...[+2]	Patent: 74
34	Koninklijke Philips NV	Noord-Holland, Netherlands	Health care,Wellness Programs,Medical imaging, ...[+2]	Patent: 69
35	Gree Electric Appliances, Inc. of Zhuhai	Guangdong Sheng, China	Electronics,Conditioners,Air conditioning, ...[+2]	Patent: 69
36	Sumitomo Heavy Industries, Ltd.	Tokyo, Japan	Sewage treatment,Proton therapy,Cryocooler, ...[+2]	Patent: 67
37	Ebara Corp.	Tokyo, Japan	Vacuum pump,Manufacturing engineering,Turbine, ...[+2]	Patent: 61
38	Matsushita Seiko Co Ltd	Osaka, Japan	Automation,Manufacturing engineering,Industrial engineering, ...[+2]	Patent: 60
39	Eaton Corp.	Dublin, Ireland	Automotive engineering,Power transmission,Electrical equipment, ...[+2]	Patent: 59
40	Toshiba Mitsubishi-Electric Industrial Systems Corp.	Tokyo, Japan	Variable-frequency drive,Industrial engineering,DC motor, ...[+2]	Patent: 56
41	Siemens Energy & Automation, Inc.	United States	Electronics,Automation,Electric utility	Patent: 56
42	LG Electronics (Tianjin) Appliance Co., Ltd.	Tianjin Shi, China	Electronics	Patent: 56
43	The Swatch Group Management Services AG	Switzerland		Patent: 56
44	Associated Electrical Industries Ltd.	West Midlands, United Kingdom		Patent: 52
45	DAIKIN INDUSTRIES Ltd.	Osaka, Japan	Air conditioning,Refrigeration,Mechanical engineering, ...[+2]	Patent: 51
46	Shibaura Mechatronics Corp.	Kanagawa, Japan	Semiconductor,Robotic lawn mower,Mechatronics, ...[+2]	Patent: 51
47	ABB Automation, Inc.	United States	Automation,Manufacturing engineering,Mechanical engineering, ...[+2]	Patent: 50
48	Hitachi Plant Technologies Ltd.	Tokyo, Japan	Water treatment,Environmental consulting,Microfiltration, ...[+2]	Patent: 49
49	General Motors Co.	Michigan, United States	Sport utility vehicle,Public transport,Enterprise software, ...[+2]	Patent: 48
50	Yongji Xinshisu Electric Equipment Co. Ltd.	Shaanxi Sheng, China	Transmission system,Tilting train,Power transmission, ...[+1]	Patent: 41
51	Landis+Gyr AG	Zug, Switzerland	Smart grid,Electricity,Electricity meter, ...[+2]	Patent: 37
52	Eaton Intelligent Power Ltd.	Dublin, Ireland	Mutual fund	Patent: 37
53	IHI Power Systems Co., Ltd.	Tokyo, Japan	Turbine,Gas engine,Manufacturing engineering, ...[+2]	Patent: 35
54	Fujitsu Ltd.	Tokyo, Japan	Cloud computing,Enterprise software,Information technology management, ...[+2]	Patent: 33
55	Allen-Bradley Co., Inc.	WI, US	Aerospace,National security,Control equipment, ...[+2]	Patent: 33
56	Matsushita Refrigeration Co.	Osaka, Japan	Electronics,Heat exchanger,Refrigeration, ...[+1]	Patent: 33
57	Fujitsu Microelectronics America, Inc.	California, United States	Semiconductor,Microelectronics,Electronic component, ...[+2]	Patent: 33
58	Nihon Denso KK	Saitama, Japan	Manufacturing engineering,Mechanical engineering	Patent: 33
59	Kone, Inc.	Illinois, United States	Elevator,Doors	Patent: 32
60	BSH Home Appliances	Bayern, Germany	Microwave,Fast-moving consumer goods,Vacuum cleaner, ...[+2]	Patent: 32
61	Hitachi Building Systems Co., Ltd.	Tokyo, Japan	Elevator,Electronic product	Patent: 32
62	BSH Home Appliances Corp.	California, United States	Washer,Electronics	Patent: 32
63	Mitsubishi Electric Home Appliance Co., Ltd.	Saitama, Japan	Electronics	Patent: 32
64	Wolong Electric Nanyang Explosion Protection Group Co. Ltd.	China	Electric motor,Transformer,Relay, ...[+1]	Patent: 31
65	POSCO	South Korea	Materials science,Mining engineering,Metal, ...[+2]	Patent: 30
66	Shibaura Machine Co., Ltd.	Shizuoka, Japan	Computer hardware,Industrial engineering,Robotics, ...[+2]	Patent: 30
67	Wolong Electric Group Co. Ltd.	Zhejiang Sheng, China	Electric motor,Photovoltaic power station,Electrical equipment, ...[+2]	Patent: 29
68	Sharp Corp.	Osaka, Japan	Computer hardware,Electronics,Telecommunications, ...[+2]	Patent: 28
69	Nippon Otis Elevator Co.	Tokyo, Japan	Elevator,Building design	Patent: 28
70	Hitachi Keiyo Engineering Systems Ltd.	Chiba, Japan	Software,Information technology consulting,Systems design	Patent: 28
71	Wuxi Zhongda Motor Co. Ltd.	China		Patent: 27
72	Muratec Automation Co., Ltd.	Aichi, Japan	Software,Semiconductor,Automation	Patent: 27
73	Mercedes-Benz Group AG	Baden-Württemberg, Germany	Automotive engineering,Electric vehicle,Hybrid vehicle, ...[+2]	Patent: 26
74	Okuma Corp.	Aichi, Japan	Machining,Automation,Manufacturing engineering, ...[+2]	Patent: 26
75	Guangdong Welling Motor Manufacturing Co., Ltd.	Guangdong Sheng, China	Electric motor,Electrical equipment,Electronics	Patent: 26
76	Zinser Textilmaschinen GmbH	Germany		Patent: 26
77	TDK Corp.	Tokyo, Japan	Electronic component,Ceramic capacitor,Electronics, ...[+2]	Patent: 25
78	Anadarko Petroleum Corp.	Texas, United States	Natural gas,Petroleum industry,Petroleum, ...[+2]	Patent: 25
79	Empresa Brasileira de Compressores SA	Brazil	Refrigeration,Reciprocating compressor,Mechanical engineering, ...[+2]	Patent: 25
80	Shanken Electric Co. Ltd.	Japan		Patent: 25
81	Schneider Toshiba Inverter Europe SAS	New Mexico, France	Electric motor,Electrical equipment,Electronics, ...[+1]	Patent: 25
82	Honda Motor Co., Ltd.	Tokyo, Japan	Automotive engineering,Manufacturing engineering,Sport utility vehicle, ...[+2]	Patent: 24
83	Polaris Inc.	Ohio, United States	Electric vehicle,Atazanavir,Public transport, ...[+2]	Patent: 24
84	A. O. Smith Corp.	Wisconsin, United States	Water treatment,Renewable energy,Efficient energy use, ...[+2]	Patent: 24
85	Nippon Electric Industry	Tokyo, Japan	Electronics	Patent: 24
86	Nidec Motor Corp.	Missouri, United States	Electric motor,Electrical equipment,Electronics, ...[+2]	Patent: 23
87	SEW-EURODRIVE GmbH & Co. KG	Germany	Servo drive,Electric motor,Computer hardware, ...[+2]	Patent: 23
88	Eclipse Aviation Corp.	NM, US	Aerospace,Aviation,National security, ...[+2]	Patent: 23
89	Kawasaki Heavy Industries Ltd.	Kyoto, Japan	Turbine,Mechanical engineering,Manufacturing engineering, ...[+2]	Patent: 22
90	Ford Motor Co. A/S	Denmark		Patent: 22
91	Sumitomo Electric Industries Ltd.	Osaka, Japan	Electronics,Optical fiber,Optical fiber cable, ...[+2]	Patent: 21
92	Sumitomo Electric	Osaka, Japan	Optical fiber,Electronics,Optical fiber cable	Patent: 21
93	Daewoo Electronics Co. Ltd.	South Korea	Electronics,Graphics processing unit,Peripheral, ...[+2]	Patent: 21
94	Johnson Controls Technology Co.	Wisconsin, United States		Patent: 21
95	GE Energy Power Conversion Technology Ltd.	Warwickshire, United Kingdom	Power transmission	Patent: 21
96	Samsung Gwangju Electronics, Co., Ltd.	South Korea	Electronics,Air conditioning,Vacuum cleaner, ...[+1]	Patent: 21
97	Kawasaki Steel			Patent: 21
98	Arçelik AS	Istanbul, Turkey	Electronics,Vacuum cleaner,Advertising, ...[+2]	Patent: 20
99	Hino Motors, Ltd.	Tokyo, Japan	Truck,Public transport,Gasoline, ...[+2]	Patent: 20
100	Grundfos A/S	Midtjylland, Denmark	Crop,Mechanical engineering,Centrifugal pump, ...[+2]	Patent: 20