Ranking Year:
# | Company Name | Region | Tech Topics | Total |
---|
1 | Hitachi Ltd. | Elevator,Electrical equipment,Electric motor, ...[+2] | patent citation: 3,064 | |
2 | Matsushita Electronics Corp. | Electronics,Computer hardware,DVD player, ...[+2] | patent citation: 1,855 | |
3 | Toyota Motor Corp. | Sport utility vehicle,Mobile device,Public transport, ...[+2] | patent citation: 1,817 | |
4 | Mitsubishi Electric Engineering Co., Ltd. | patent citation: 1,192 | ||
5 | Nihon Denso KK | Manufacturing engineering,Mechanical engineering | patent citation: 1,038 | |
6 | YASKAWA Electric Corp. | Robotics,Automation,Electrical equipment, ...[+2] | patent citation: 1,021 | |
7 | TOSHIBA Corp. | Semiconductor,Computer hardware,Electronics, ...[+2] | patent citation: 1,016 | |
8 | Fuji Electronics Co., Ltd. | Semiconductor,Microcomputer,Electronic component, ...[+2] | patent citation: 987 | |
9 | Fuji Electric FA Components & SYstems Co., Ltd. | Semiconductor,Industrial engineering,Smart grid, ...[+2] | patent citation: 987 | |
10 | Nissan Motor Co., Ltd. | Truck,Public transport,Automotive engineering, ...[+2] | patent citation: 813 | |
11 | Meidensha Corp. | Electrical equipment,Social infrastructure,Electronics, ...[+2] | patent citation: 517 | |
12 | FANUC Corp. | Robotics,Robot,Automation, ...[+2] | patent citation: 373 | |
13 | SANYO Electric Co., Ltd. | Semiconductor,Computer hardware,Software, ...[+2] | patent citation: 373 | |
14 | Okuma Corp. | Machining,Automation,Manufacturing engineering, ...[+2] | patent citation: 278 | |
15 | Hitachi Industrial Equipment Systems Co., Ltd. | Switchgear,Air compressor,Computer hardware, ...[+2] | patent citation: 264 | |
16 | Matsushita Refrigeration Co. | Electronics,Heat exchanger,Refrigeration, ...[+1] | patent citation: 241 | |
17 | Hitachi Astemo Ltd. | Public transport,Automotive engineering | patent citation: 231 | |
18 | Reliance Electric Ltd. | Automation,Smart manufacturing,Electronics, ...[+1] | patent citation: 218 | |
19 | Seiko Epson Corp. | Wearable technology,Projector,Electronics, ...[+2] | patent citation: 216 | |
20 | Honda Motor Co., Ltd. | Automotive engineering,Manufacturing engineering,Sport utility vehicle, ...[+2] | patent citation: 207 | |
21 | NTN Toyo Bearing Co., Ltd. | Ball bearing | patent citation: 206 | |
22 | IHI Power Systems Co., Ltd. | Turbine,Gas engine,Manufacturing engineering, ...[+2] | patent citation: 139 | |
23 | DAIKIN INDUSTRIES Ltd. | Air conditioning,Refrigeration,Mechanical engineering, ...[+2] | patent citation: 105 | |
24 | Hitachi Building Systems Co., Ltd. | Elevator,Electronic product | patent citation: 100 | |
25 | Fuji Electric Systems Co., Ltd. | Automation,Manufacturing engineering,Industrial engineering, ...[+2] | patent citation: 94 | |
26 | NSK Ltd. | Ball bearing,Automatic transmission,Bearing (navigation), ...[+2] | patent citation: 83 | |
27 | JTEKT Corp. | Power steering,Automotive engineering,Steering system, ...[+2] | patent citation: 80 | |
28 | Toshiba Elevator Corp. | patent citation: 62 | ||
29 | Mitsubishi Kogyo KK | patent citation: 59 | ||
30 | Sharp Corp. | Computer hardware,Electronics,Telecommunications, ...[+2] | patent citation: 58 | |
31 | Hitachi Power Semiconductor Device Ltd. | Semiconductor,Power semiconductor device,Silicon carbide, ...[+2] | patent citation: 56 | |
32 | Renesas Electronics Corp. | Semiconductor,Microcontroller,Electronics, ...[+2] | patent citation: 52 | |
33 | Sawafuji Electric Co., Ltd. | Electrical equipment,Diesel generator,Manufacturing engineering, ...[+2] | patent citation: 49 | |
34 | Makita Corp. | Computer hardware,Information technology management,Metalworking, ...[+2] | patent citation: 46 | |
35 | Makita | Industrial engineering | patent citation: 46 | |
36 | Shanken Electric Co. Ltd. | patent citation: 40 | ||
37 | Komatsu Ltd. | Environmental engineering,Construction engineering,Heavy equipment, ...[+2] | patent citation: 38 | |
38 | Nidec Servo Corp. | Servo,Electrical equipment,Electronics | patent citation: 37 | |
39 | ShinMaywa Industries, Ltd. | Aerospace,Jet bridge,National security, ...[+2] | patent citation: 35 | |
40 | Daido Steel Co., Ltd. | Magnet,Power transmission,Ferroalloy, ...[+2] | patent citation: 34 | |
41 | Shin-Etsu Chemical Co., Ltd. | Silicone,Semiconductor,Chemical engineering, ...[+2] | patent citation: 30 | |
42 | Toshiba Mitsubishi-Electric Industrial Systems Corp. | Variable-frequency drive,Industrial engineering,DC motor, ...[+2] | patent citation: 27 | |
43 | Hitachi Construction Machinery Tierra Co., Ltd. | Agricultural machinery,Manufacturing engineering,Mechanical engineering | patent citation: 27 | |
44 | Subaru Corp. | Automotive engineering,Public transport,Aerospace, ...[+2] | patent citation: 26 | |
45 | Hitachi Mito Engineering Co., Ltd. | patent citation: 26 | ||
46 | Sumitomo Heavy Industries, Ltd. | Sewage treatment,Proton therapy,Cryocooler, ...[+2] | patent citation: 25 | |
47 | Aida Engineering Co. Ltd. | Automation,Manufacturing engineering,Industrial engineering, ...[+2] | patent citation: 25 | |
48 | Hitachi Car Engineering Co., Ltd. | Automotive engineering | patent citation: 24 | |
49 | TDK Corp. | Electronic component,Ceramic capacitor,Electronics, ...[+2] | patent citation: 23 | |
50 | Kawasaki Heavy Industries Ltd. | Turbine,Mechanical engineering,Manufacturing engineering, ...[+2] | patent citation: 23 |