Ranking Year:
# | Company Name | Region | Tech Topics | Total |
---|
1 | Hitachi Ltd. | Elevator,Electrical equipment,Electric motor, ...[+2] | patent citation: 6,353 | |
2 | Mitsubishi Electric Engineering Co., Ltd. | patent citation: 5,503 | ||
3 | TOSHIBA Corp. | Semiconductor,Computer hardware,Electronics, ...[+2] | patent citation: 3,709 | |
4 | Matsushita Electronics Corp. | Electronics,Computer hardware,DVD player, ...[+2] | patent citation: 2,027 | |
5 | Meidensha Corp. | Electrical equipment,Social infrastructure,Electronics, ...[+2] | patent citation: 1,798 | |
6 | Fuji Electronics Co., Ltd. | Semiconductor,Microcomputer,Electronic component, ...[+2] | patent citation: 1,670 | |
7 | Fuji Electric FA Components & SYstems Co., Ltd. | Semiconductor,Industrial engineering,Smart grid, ...[+2] | patent citation: 1,670 | |
8 | FANUC Corp. | Robotics,Robot,Automation, ...[+2] | patent citation: 1,470 | |
9 | YASKAWA Electric Corp. | Robotics,Automation,Electrical equipment, ...[+2] | patent citation: 798 | |
10 | Satake Engineering Co., Ltd. | patent citation: 517 | ||
11 | SANYO Electric Co., Ltd. | Semiconductor,Computer hardware,Software, ...[+2] | patent citation: 462 | |
12 | Nissan Motor Co., Ltd. | Truck,Public transport,Automotive engineering, ...[+2] | patent citation: 428 | |
13 | Toyota Motor Corp. | Sport utility vehicle,Mobile device,Public transport, ...[+2] | patent citation: 388 | |
14 | Nihon Denso KK | Manufacturing engineering,Mechanical engineering | patent citation: 303 | |
15 | Mitsubishi Kogyo KK | patent citation: 283 | ||
16 | Sumitomo Heavy Industries, Ltd. | Sewage treatment,Proton therapy,Cryocooler, ...[+2] | patent citation: 267 | |
17 | IHI Power Systems Co., Ltd. | Turbine,Gas engine,Manufacturing engineering, ...[+2] | patent citation: 253 | |
18 | Matsushita Seiko Co Ltd | Automation,Manufacturing engineering,Industrial engineering, ...[+2] | patent citation: 185 | |
19 | Matsushita Refrigeration Co. | Electronics,Heat exchanger,Refrigeration, ...[+1] | patent citation: 176 | |
20 | Shibaura Mechatronics Corp. | Semiconductor,Robotic lawn mower,Mechatronics, ...[+2] | patent citation: 169 | |
21 | Honda Motor Co., Ltd. | Automotive engineering,Manufacturing engineering,Sport utility vehicle, ...[+2] | patent citation: 167 | |
22 | Ebara Corp. | Vacuum pump,Manufacturing engineering,Turbine, ...[+2] | patent citation: 165 | |
23 | Hitachi Building Systems Co., Ltd. | Elevator,Electronic product | patent citation: 161 | |
24 | Satake Corp. | Food processing,Manufacturing engineering,Pea protein, ...[+1] | patent citation: 153 | |
25 | DAIKIN INDUSTRIES Ltd. | Air conditioning,Refrigeration,Mechanical engineering, ...[+2] | patent citation: 146 | |
26 | Hitachi Plant Technologies Ltd. | Water treatment,Environmental consulting,Microfiltration, ...[+2] | patent citation: 134 | |
27 | TOC Co., Ltd. | Laundry,Coin,Facility management, ...[+1] | patent citation: 132 | |
28 | Yamada Electric Mfg Co., Ltd. | patent citation: 126 | ||
29 | Fujitsu Ltd. | Cloud computing,Enterprise software,Information technology management, ...[+2] | patent citation: 125 | |
30 | Yamaha Motor Co., Ltd. | Robotics,Industrial robot,Automotive engineering, ...[+2] | patent citation: 121 | |
31 | Okuma Corp. | Machining,Automation,Manufacturing engineering, ...[+2] | patent citation: 114 | |
32 | Sawafuji Electric Co., Ltd. | Electrical equipment,Diesel generator,Manufacturing engineering, ...[+2] | patent citation: 114 | |
33 | Mitsubishi Electric Home Appliance Co., Ltd. | Electronics | patent citation: 108 | |
34 | Hitachi Industrial Equipment Systems Co., Ltd. | Switchgear,Air compressor,Computer hardware, ...[+2] | patent citation: 103 | |
35 | Shibaura Machine Co., Ltd. | Computer hardware,Industrial engineering,Robotics, ...[+2] | patent citation: 96 | |
36 | Shanken Electric Co. Ltd. | patent citation: 92 | ||
37 | Hitachi Keiyo Engineering Systems Ltd. | Software,Information technology consulting,Systems design | patent citation: 87 | |
38 | Hino Motors, Ltd. | Truck,Public transport,Gasoline, ...[+2] | patent citation: 84 | |
39 | Nippon Electric Industry | Electronics | patent citation: 82 | |
40 | Sumitomo Electric Industries Ltd. | Electronics,Optical fiber,Optical fiber cable, ...[+2] | patent citation: 79 | |
41 | Toshiba Mitsubishi-Electric Industrial Systems Corp. | Variable-frequency drive,Industrial engineering,DC motor, ...[+2] | patent citation: 79 | |
42 | Sumitomo Electric | Optical fiber,Electronics,Optical fiber cable | patent citation: 79 | |
43 | Canon, Inc. | Computer hardware,Software,Computer vision, ...[+2] | patent citation: 77 | |
44 | Toyota Koki KK | patent citation: 77 | ||
45 | TDK Corp. | Electronic component,Ceramic capacitor,Electronics, ...[+2] | patent citation: 76 | |
46 | Reliance Electric Ltd. | Automation,Smart manufacturing,Electronics, ...[+1] | patent citation: 74 | |
47 | Sharp Corp. | Computer hardware,Electronics,Telecommunications, ...[+2] | patent citation: 73 | |
48 | The Kansai Electric Power Co., Inc. | Telecommunications,Energy management,Electric utility, ...[+2] | patent citation: 72 | |
49 | Nidec Servo Corp. | Servo,Electrical equipment,Electronics | patent citation: 71 | |
50 | Furukawa Electric Co., Ltd. | Optical fiber,Renewable energy,Optoelectronics, ...[+2] | patent citation: 66 | |
51 | Teijin Ltd. | Synthetic rubber,Chemical engineering,Polycarbonate, ...[+2] | patent citation: 65 | |
52 | Ricoh Co., Ltd. | Digital media,Data visualization,Thermal paper, ...[+2] | patent citation: 59 | |
53 | JATCO Ltd. | Continuously variable transmission,Automotive engineering,Public transport, ...[+2] | patent citation: 57 | |
54 | Muratec Automation Co., Ltd. | Software,Semiconductor,Automation | patent citation: 56 | |
55 | Subaru Corp. | Automotive engineering,Public transport,Aerospace, ...[+2] | patent citation: 55 | |
56 | Kawasaki Heavy Industries Ltd. | Turbine,Mechanical engineering,Manufacturing engineering, ...[+2] | patent citation: 52 | |
57 | Koki Holdings Co. Ltd. | Power tool,Metalworking,Centrifuge, ...[+2] | patent citation: 52 | |
58 | NTN Toyo Bearing Co., Ltd. | Ball bearing | patent citation: 52 | |
59 | Shimadzu Corp. | Molecular diagnostics,Microbiology Test,Cockpit display system, ...[+2] | patent citation: 46 | |
60 | Mitsubishi Motors Corp. | Sport utility vehicle,Automotive engineering,Electric vehicle, ...[+2] | patent citation: 45 | |
61 | Hitachi Car Engineering Co., Ltd. | Automotive engineering | patent citation: 44 | |
62 | Osaka Gas Co., Ltd. | Natural gas,Activated carbon,Petroleum industry, ...[+2] | patent citation: 43 | |
63 | Nishishiba Electric Co., Ltd. | Industrial engineering,Electrical equipment,Electronics, ...[+2] | patent citation: 42 | |
64 | Tajima Industries Ltd. | Shopping mall,Electronics | patent citation: 42 | |
65 | The Japan Steel Works Ltd. | Wind power,Ferroalloy,Energy products, ...[+2] | patent citation: 40 | |
66 | JSW | Energy products,Petroleum industry,Precious metal, ...[+2] | patent citation: 40 | |
67 | Toshiba Engineering Corp. | Construction engineering | patent citation: 40 | |
68 | OMRON Corp. | Automation,Electronics,Health care, ...[+2] | patent citation: 37 | |
69 | Fujita Corp. | Land utilization,Demolition,Construction engineering, ...[+2] | patent citation: 36 | |
70 | Nippon Otis Elevator Co. | Elevator,Building design | patent citation: 36 | |
71 | Komatsu Ltd. | Environmental engineering,Construction engineering,Heavy equipment, ...[+2] | patent citation: 34 | |
72 | TSUDAKOMA Corp. | Machine tool,Manufacturing engineering,Textile (markup language), ...[+2] | patent citation: 34 | |
73 | PMC KK | Web design | patent citation: 34 | |
74 | Hitachi Mito Engineering Co., Ltd. | patent citation: 34 | ||
75 | Mitsubishi Electric Building Techno-Service Co., Ltd. | Elevator | patent citation: 33 | |
76 | Mazda Motor Corp. | Automotive engineering,Reciprocating engine,Manual transmission, ...[+2] | patent citation: 31 | |
77 | Mitsui E&S Holdings Co., Ltd. | Public transport,Hydrogen compressor,Reciprocating compressor, ...[+2] | patent citation: 31 | |
78 | Mitsubishi Materials Corp. | Cement,Alloy,Polycrystalline silicon, ...[+2] | patent citation: 30 | |
79 | Tonen General Sekiyu KK | Petroleum product,Petrochemical,Liquefied natural gas, ...[+2] | patent citation: 30 | |
80 | Hitachi Engineering & Services Co., Ltd. | Electronics | patent citation: 30 | |
81 | Mitsubishi Materials Techno Corp. | patent citation: 30 | ||
82 | Toshiba Elevator Corp. | patent citation: 30 | ||
83 | Kobe Steel, Ltd. | Welding,Electronics,Mining engineering, ...[+2] | patent citation: 29 | |
84 | TIETECH Co., Ltd. | Telecommunications,Information system,Automation | patent citation: 29 | |
85 | Adamant Namiki Precision Jewel | Glazing,Optical communication,Industrial engineering, ...[+1] | patent citation: 29 | |
86 | Toray Industries, Inc. | Fiber,Textile,Textile (markup language), ...[+2] | patent citation: 26 | |
87 | Nissin Electric Co., Ltd. | Electronics,Life Cycle Engineering,Transformer, ...[+2] | patent citation: 26 | |
88 | Fuji Electric Systems Co., Ltd. | Automation,Manufacturing engineering,Industrial engineering, ...[+2] | patent citation: 25 | |
89 | Tokyo Electron Ltd. | Semiconductor,Power transmission,Flat panel display, ...[+2] | patent citation: 24 | |
90 | Yanmar Co., Ltd. | Diesel engine,Electronics,Tractor, ...[+2] | patent citation: 24 | |
91 | Shizuki Electric Co., Inc. | Capacitor,Electronics,Energy storage, ...[+2] | patent citation: 23 | |
92 | ONO SOKKI Co., Ltd. | Measuring instrument,Electronics,Quality control | patent citation: 23 | |
93 | Kubota Corp. | Tractor,Manufacturing engineering,Combine harvester, ...[+2] | patent citation: 22 | |
94 | Daifuku Co., Ltd. | Automation,Mechanical engineering,Manufacturing engineering, ...[+2] | patent citation: 21 | |
95 | Techno Takatsuki Co. Ltd. | Air pump,Automation,Manufacturing engineering, ...[+2] | patent citation: 21 | |
96 | Ebara Densan Ltd. | Solar power,Electrical equipment,Electronics | patent citation: 21 | |
97 | Nikki Denso Co., Ltd. | Electronics,Switchgear,Electric motor, ...[+2] | patent citation: 21 | |
98 | Kasuga Electric Works Ltd. | Electronic component,Electronics,Relay, ...[+2] | patent citation: 20 | |
99 | Toyota Central R&D Labs, Inc. | Semiconductor,Power semiconductor device,System on a chip, ...[+2] | patent citation: 20 | |
100 | Niigata Engineering Co., Ltd. | Manufacturing engineering,Industrial engineering,Automation, ...[+2] | patent citation: 19 |