Top 100 Key Players companies in AC asynchronous motor by Most Patent Filings in the Japan in 2022 – 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	Meidensha Corp.	Tokyo, Japan	Electrical equipment,Social infrastructure,Electronics, ...[+2]	Patent: 389
8	FANUC Corp.	Yamanashi, Japan	Robotics,Robot,Automation, ...[+2]	Patent: 343
9	YASKAWA Electric Corp.	Fukuoka, Japan	Robotics,Automation,Electrical equipment, ...[+2]	Patent: 265
10	Satake Engineering Co., Ltd.	Tokyo, Japan		Patent: 210
11	SANYO Electric Co., Ltd.	Osaka, Japan	Semiconductor,Computer hardware,Software, ...[+2]	Patent: 139
12	Satake Corp.	Hiroshima, Japan	Food processing,Manufacturing engineering,Pea protein, ...[+1]	Patent: 106
13	Toyota Motor Corp.	Aichi, Japan	Sport utility vehicle,Mobile device,Public transport, ...[+2]	Patent: 104
14	Hitachi Industrial Equipment Systems Co., Ltd.	Tokyo, Japan	Switchgear,Air compressor,Computer hardware, ...[+2]	Patent: 99
15	Nissan Motor Co., Ltd.	Kanagawa, Japan	Truck,Public transport,Automotive engineering, ...[+2]	Patent: 88
16	Mitsubishi Kogyo KK	Japan		Patent: 84
17	Sumitomo Heavy Industries, Ltd.	Tokyo, Japan	Sewage treatment,Proton therapy,Cryocooler, ...[+2]	Patent: 67
18	Ebara Corp.	Tokyo, Japan	Vacuum pump,Manufacturing engineering,Turbine, ...[+2]	Patent: 61
19	Matsushita Seiko Co Ltd	Osaka, Japan	Automation,Manufacturing engineering,Industrial engineering, ...[+2]	Patent: 60
20	Toshiba Mitsubishi-Electric Industrial Systems Corp.	Tokyo, Japan	Variable-frequency drive,Industrial engineering,DC motor, ...[+2]	Patent: 56
21	DAIKIN INDUSTRIES Ltd.	Osaka, Japan	Air conditioning,Refrigeration,Mechanical engineering, ...[+2]	Patent: 51
22	Shibaura Mechatronics Corp.	Kanagawa, Japan	Semiconductor,Robotic lawn mower,Mechatronics, ...[+2]	Patent: 51
23	Hitachi Plant Technologies Ltd.	Tokyo, Japan	Water treatment,Environmental consulting,Microfiltration, ...[+2]	Patent: 49
24	IHI Power Systems Co., Ltd.	Tokyo, Japan	Turbine,Gas engine,Manufacturing engineering, ...[+2]	Patent: 35
25	Fujitsu Ltd.	Tokyo, Japan	Cloud computing,Enterprise software,Information technology management, ...[+2]	Patent: 33
26	Matsushita Refrigeration Co.	Osaka, Japan	Electronics,Heat exchanger,Refrigeration, ...[+1]	Patent: 33
27	Nihon Denso KK	Saitama, Japan	Manufacturing engineering,Mechanical engineering	Patent: 33
28	Hitachi Building Systems Co., Ltd.	Tokyo, Japan	Elevator,Electronic product	Patent: 32
29	Mitsubishi Electric Home Appliance Co., Ltd.	Saitama, Japan	Electronics	Patent: 32
30	Shibaura Machine Co., Ltd.	Shizuoka, Japan	Computer hardware,Industrial engineering,Robotics, ...[+2]	Patent: 30
31	Sharp Corp.	Osaka, Japan	Computer hardware,Electronics,Telecommunications, ...[+2]	Patent: 28
32	Nippon Otis Elevator Co.	Tokyo, Japan	Elevator,Building design	Patent: 28
33	Hitachi Keiyo Engineering Systems Ltd.	Chiba, Japan	Software,Information technology consulting,Systems design	Patent: 28
34	Muratec Automation Co., Ltd.	Aichi, Japan	Software,Semiconductor,Automation	Patent: 27
35	Okuma Corp.	Aichi, Japan	Machining,Automation,Manufacturing engineering, ...[+2]	Patent: 26
36	TDK Corp.	Tokyo, Japan	Electronic component,Ceramic capacitor,Electronics, ...[+2]	Patent: 25
37	Shanken Electric Co. Ltd.	Japan		Patent: 25
38	Honda Motor Co., Ltd.	Tokyo, Japan	Automotive engineering,Manufacturing engineering,Sport utility vehicle, ...[+2]	Patent: 24
39	Nippon Electric Industry	Tokyo, Japan	Electronics	Patent: 24
40	Kawasaki Heavy Industries Ltd.	Kyoto, Japan	Turbine,Mechanical engineering,Manufacturing engineering, ...[+2]	Patent: 22
41	Sumitomo Electric Industries Ltd.	Osaka, Japan	Electronics,Optical fiber,Optical fiber cable, ...[+2]	Patent: 21
42	Sumitomo Electric	Osaka, Japan	Optical fiber,Electronics,Optical fiber cable	Patent: 21
43	Hino Motors, Ltd.	Tokyo, Japan	Truck,Public transport,Gasoline, ...[+2]	Patent: 20
44	Furukawa Electric Co., Ltd.	Tokyo, Japan	Optical fiber,Renewable energy,Optoelectronics, ...[+2]	Patent: 19
45	Kobe Steel, Ltd.	Hyogo, Japan	Welding,Electronics,Mining engineering, ...[+2]	Patent: 18
46	TSUDAKOMA Corp.	Ishikawa, Japan	Machine tool,Manufacturing engineering,Textile (markup language), ...[+2]	Patent: 18
47	Toshiba Infrastructure Systems & Solutions Corp.	Kanagawa, Japan	Social infrastructure,Automation,Mechanical engineering, ...[+2]	Patent: 18
48	Hitachi Industrial Products Ltd.	Japan		Patent: 18
49	Shimadzu Corp.	Kyoto, Japan	Molecular diagnostics,Microbiology Test,Cockpit display system, ...[+2]	Patent: 17
50	Ricoh Co., Ltd.	Tokyo, Japan	Digital media,Data visualization,Thermal paper, ...[+2]	Patent: 16
51	The Kansai Electric Power Co., Inc.	Osaka, Japan	Telecommunications,Energy management,Electric utility, ...[+2]	Patent: 16
52	Nishishiba Electric Co., Ltd.	Hyogo, Japan	Industrial engineering,Electrical equipment,Electronics, ...[+2]	Patent: 16
53	Nidec Servo Corp.	Japan	Servo,Electrical equipment,Electronics	Patent: 16
54	Fuji Electric Systems Co., Ltd.	Tokyo, Japan	Automation,Manufacturing engineering,Industrial engineering, ...[+2]	Patent: 16
55	Yamada Electric Mfg Co., Ltd.	Japan		Patent: 16
56	OMRON Corp.	Kyoto, Japan	Automation,Electronics,Health care, ...[+2]	Patent: 15
57	Central Japan Railway Co.	Aichi, Japan	Public transport,Maglev,Throughput, ...[+2]	Patent: 15
58	TIETECH Co., Ltd.	Aichi, Japan	Telecommunications,Information system,Automation	Patent: 15
59	ORIENTAL MOTOR Co., Ltd.	Tokyo, Japan	Electric motor,Alternating current,Actuator, ...[+2]	Patent: 15
60	DIC Corp.	Tokyo, Japan	Pigment,Chemical engineering,Synthetic resin, ...[+2]	Patent: 14
61	Daifuku Co., Ltd.	Osaka, Japan	Automation,Mechanical engineering,Manufacturing engineering, ...[+2]	Patent: 14
62	DIC Corporation		Pigment,Polymer,Epoxy, ...[+2]	Patent: 14
63	Toray Industries, Inc.	Tokyo, Japan	Fiber,Textile,Textile (markup language), ...[+2]	Patent: 13
64	Kubota Corp.	Osaka, Japan	Tractor,Manufacturing engineering,Combine harvester, ...[+2]	Patent: 13
65	Mazda Motor Corp.	Kanagawa, Japan	Automotive engineering,Reciprocating engine,Manual transmission, ...[+2]	Patent: 13
66	Ebara Densan Ltd.	Tokyo, Japan	Solar power,Electrical equipment,Electronics	Patent: 13
67	Brother Industries, Ltd.	Aichi, Japan	Computer hardware,Electronics,Digital printing, ...[+2]	Patent: 12
68	Koki Holdings Co. Ltd.	Aichi, Japan	Power tool,Metalworking,Centrifuge, ...[+2]	Patent: 12
69	Sawafuji Electric Co., Ltd.	Japan	Electrical equipment,Diesel generator,Manufacturing engineering, ...[+2]	Patent: 12
70	Mitsubishi Electric Building Techno-Service Co., Ltd.	Tokyo, Japan	Elevator	Patent: 12
71	Yokogawa Electric Corp.	Tokyo, Japan	Automation,Systems design,Programmable logic controller, ...[+2]	Patent: 11
72	Nidec-Shimpo Corp.	Kyoto, Japan	Automation,Power transmission,Stroboscope, ...[+2]	Patent: 11
73	Kasuga Electric Works Ltd.	Tokyo, Japan	Electronic component,Electronics,Relay, ...[+2]	Patent: 11
74	Toshiba Engineering Corp.	Kanagawa, Japan	Construction engineering	Patent: 11
75	Yamaha Motor Co., Ltd.	Shizuoka, Japan	Robotics,Industrial robot,Automotive engineering, ...[+2]	Patent: 10
76	Mitsubishi Motors Corp.	Tokyo, Japan	Sport utility vehicle,Automotive engineering,Electric vehicle, ...[+2]	Patent: 10
77	Makita Corp.	Aichi, Japan	Computer hardware,Information technology management,Metalworking, ...[+2]	Patent: 10
78	Tsurumi Manufacturing Co., Ltd.	Osaka, Japan	Fixed asset,Automation,Manufacturing engineering, ...[+2]	Patent: 10
79	Makita	Fukuoka, Japan	Industrial engineering	Patent: 10
80	Toshiba Lifestyle Products & Services Corp.	Kanagawa, Japan	Electronics,Zinc–air battery,Lithium-ion battery	Patent: 10
81	Nidec Techno Motor Corp.	Kyoto, Japan	Electronics	Patent: 10
82	Toshiba Elevator Corp.	Japan		Patent: 10
83	Komatsu Ltd.	Tokyo, Japan	Environmental engineering,Construction engineering,Heavy equipment, ...[+2]	Patent: 9
84	JTEKT Corp.	Osaka, Japan	Power steering,Automotive engineering,Steering system, ...[+2]	Patent: 9
85	UBE Corp.	Tokyo, Japan	Synthetic rubber,Chemical engineering,Coal mining, ...[+2]	Patent: 9
86	Mitsubishi Logisnext Co., Ltd.	Kyoto, Japan	Manufacturing engineering,Mechanical engineering,Monorail, ...[+2]	Patent: 9
87	Toyota Central R&D Labs, Inc.	Aichi, Japan	Semiconductor,Power semiconductor device,System on a chip, ...[+2]	Patent: 9
88	Reliance Electric Ltd.	Kanagawa, Japan	Automation,Smart manufacturing,Electronics, ...[+1]	Patent: 9
89	Hitachi Construction Machinery Tierra Co., Ltd.	Osaka, Japan	Agricultural machinery,Manufacturing engineering,Mechanical engineering	Patent: 9
90	Mitsubishi Hitachi Power Systems	Kanagawa, Japan	Control system	Patent: 9
91	The Japan Steel Works Ltd.	Tokyo, Japan	Wind power,Ferroalloy,Energy products, ...[+2]	Patent: 8
92	JSW	Tokyo, Japan	Energy products,Petroleum industry,Precious metal, ...[+2]	Patent: 8
93	Fujita Corp.	Tokyo, Japan	Land utilization,Demolition,Construction engineering, ...[+2]	Patent: 8
94	Kitashiba Electric Co. Ltd.	Japan	Transformer,Semiconductor,Electronics, ...[+2]	Patent: 8
95	Osaka Gas Co., Ltd.	Osaka, Japan	Natural gas,Activated carbon,Petroleum industry, ...[+2]	Patent: 7
96	The Nippon Signal Co., Ltd.	Tokyo, Japan	Automated fare collection,Railway signal,Electronics, ...[+2]	Patent: 7
97	TOC Co., Ltd.	Tokyo, Japan	Laundry,Coin,Facility management, ...[+1]	Patent: 7
98	PMC KK	Tokyo, Japan	Web design	Patent: 7
99	Hitachi Mito Engineering Co., Ltd.	Japan		Patent: 7
100	Canon, Inc.	Tokyo, Japan	Computer hardware,Software,Computer vision, ...[+2]	Patent: 6