Ranking Year:
# | Company Name | Region | Tech Topics | Total |
---|
1 | TOSHIBA Corp. | Semiconductor,Computer hardware,Electronics, ...[+2] | patent citation: 5,064 | |
2 | Hitachi Ltd. | Elevator,Electrical equipment,Electric motor, ...[+2] | patent citation: 4,784 | |
3 | Sony Group Corp. | Computer hardware,Software,Music, ...[+2] | patent citation: 3,523 | |
4 | Fujitsu Ltd. | Cloud computing,Enterprise software,Information technology management, ...[+2] | patent citation: 3,369 | |
5 | Matsushita Electronics Corp. | Electronics,Computer hardware,DVD player, ...[+2] | patent citation: 3,336 | |
6 | Mitsubishi Electric Engineering Co., Ltd. | patent citation: 3,222 | ||
7 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor,Transistor,Semiconductor device, ...[+2] | patent citation: 3,089 | |
8 | Renesas Electronics Corp. | Semiconductor,Microcontroller,Electronics, ...[+2] | patent citation: 2,310 | |
9 | Sharp Corp. | Computer hardware,Electronics,Telecommunications, ...[+2] | patent citation: 1,976 | |
10 | Nikon Corp. | Microscope,Photography,Motion capture, ...[+2] | patent citation: 1,772 | |
11 | NEC Electronics Corp. | Electronics,Computer hardware,Semiconductor, ...[+2] | patent citation: 1,705 | |
12 | TOKYO OHKA KOGYO CO., LTD. | Photoresist,Semiconductor,Petrochemical, ...[+2] | patent citation: 1,416 | |
13 | Tokyo Electron Ltd. | Semiconductor,Power transmission,Flat panel display, ...[+2] | patent citation: 1,298 | |
14 | Seiko Epson Corp. | Wearable technology,Projector,Electronics, ...[+2] | patent citation: 1,274 | |
15 | FUJIFILM Corp. | Photography,Medical imaging,Computer hardware, ...[+2] | patent citation: 1,233 | |
16 | Mitsubishi Gas Chemical Co., Inc. | Petroleum industry,Petrochemical,Engineering plastic, ...[+2] | patent citation: 977 | |
17 | Canon, Inc. | Computer hardware,Software,Computer vision, ...[+2] | patent citation: 647 | |
18 | Shin-Etsu Chemical Co., Ltd. | Silicone,Semiconductor,Chemical engineering, ...[+2] | patent citation: 581 | |
19 | SANYO Electric Co., Ltd. | Semiconductor,Computer hardware,Software, ...[+2] | patent citation: 542 | |
20 | Fuji Electronics Co., Ltd. | Semiconductor,Microcomputer,Electronic component, ...[+2] | patent citation: 392 | |
21 | Fuji Electric FA Components & SYstems Co., Ltd. | Semiconductor,Industrial engineering,Smart grid, ...[+2] | patent citation: 392 | |
22 | Sumitomo Electric Industries Ltd. | Electronics,Optical fiber,Optical fiber cable, ...[+2] | patent citation: 390 | |
23 | Sumitomo Electric | Optical fiber,Electronics,Optical fiber cable | patent citation: 390 | |
24 | Seiko Instruments, Inc. | Semiconductor,Electronic component,Optical fiber connector, ...[+2] | patent citation: 336 | |
25 | Ricoh Co., Ltd. | Digital media,Data visualization,Thermal paper, ...[+2] | patent citation: 309 | |
26 | Kanto Chemical Co., Inc. | Reagent,Chemical engineering,Electronics, ...[+2] | patent citation: 307 | |
27 | Fujitsu Semiconductor Ltd. | Semiconductor,Electronic component,Microcontroller, ...[+2] | patent citation: 304 | |
28 | Nihon Denso KK | Manufacturing engineering,Mechanical engineering | patent citation: 299 | |
29 | Elpida Memory, Inc. | Semiconductor,Dynamic random-access memory,Resistor, ...[+2] | patent citation: 297 | |
30 | Hitachi Ulsi Systems Co. Ltd. | Semiconductor,Automation,Manufacturing engineering, ...[+2] | patent citation: 268 | |
31 | SUMCO Corp. | Semiconductor,Wafer,Silicon, ...[+2] | patent citation: 213 | |
32 | Advantest Corp. | Semiconductor,Mechanical engineering,Product design, ...[+2] | patent citation: 202 | |
33 | TES Holdings Co., Ltd. | Regenerative medicine,Biotechnology,Agriculture, ...[+2] | patent citation: 199 | |
34 | HOYA Corp. | Computer hardware,Software,Intraocular lens, ...[+2] | patent citation: 194 | |
35 | NEC LCD Technologies Ltd. | Liquid-crystal display,Computer hardware,Electronics | patent citation: 165 | |
36 | Citizen Watch Co., Ltd. | Quartz,Semiconductor,Electronics, ...[+2] | patent citation: 164 | |
37 | Socionext, Inc. | Quality of experience,Semiconductor device fabrication,Semiconductor, ...[+2] | patent citation: 158 | |
38 | Daicel Corp. | Airbag,Chemical engineering,Cellulose acetate, ...[+2] | patent citation: 152 | |
39 | Dai Nippon Printing Co., Ltd. | Electronics,Publishing,Publication, ...[+2] | patent citation: 149 | |
40 | Dainippon Printing Co. Ltd. | patent citation: 149 | ||
41 | Toppan, Inc. | Publishing,Semiconductor,Electronics, ...[+2] | patent citation: 135 | |
42 | Showa Denko Materials Co., Ltd. | Semiconductor,Carbon product,Efficient energy use, ...[+2] | patent citation: 128 | |
43 | Sokudo Co., Ltd. | Coating | patent citation: 124 | |
44 | Advanced Industrial Science & Technology | Graphene,Association (object-oriented programming) | patent citation: 123 | |
45 | Yamaha Corp. | Audio equipment,Gasoline,Loudspeaker, ...[+2] | patent citation: 112 | |
46 | Toray Industries, Inc. | Fiber,Textile,Textile (markup language), ...[+2] | patent citation: 111 | |
47 | Casio Electronics Manufacturing Co., Ltd. | patent citation: 111 | ||
48 | Sumitomo Bakelite Co., Ltd. | Semiconductor,Materials science,Bakelite, ...[+2] | patent citation: 109 | |
49 | STARTUP | Computer hardware,Solid-state,Flash memory, ...[+2] | patent citation: 108 | |
50 | Shin-Etsu Handotai Co., Ltd. | Semiconductor,Ingot,Wafer, ...[+2] | patent citation: 107 | |
51 | Maruzen Petrochemical Co., Ltd. | Ethylene,Petrochemical,Chemical engineering, ...[+2] | patent citation: 94 | |
52 | Honda Motor Co., Ltd. | Automotive engineering,Manufacturing engineering,Sport utility vehicle, ...[+2] | patent citation: 88 | |
53 | Furukawa Electric Co., Ltd. | Optical fiber,Renewable energy,Optoelectronics, ...[+2] | patent citation: 84 | |
54 | OMRON Corp. | Automation,Electronics,Health care, ...[+2] | patent citation: 82 | |
55 | Kyocera Corp. | Semiconductor,Electronics,Telecommunications, ...[+2] | patent citation: 81 | |
56 | AGC | Fluorine,Glazing,Chemical engineering, ...[+2] | patent citation: 80 | |
57 | Asahi Fiber Glass Co., Ltd. | Glass wool,Thermal insulation,Fiber, ...[+2] | patent citation: 80 | |
58 | Toyoda Gosei Co., Ltd. | Optoelectronics,Airbag,Synthetic rubber, ...[+2] | patent citation: 79 | |
59 | Honshu Chemical Industry Co., Ltd. | Synthetic rubber,Chemical engineering,Electronics, ...[+2] | patent citation: 79 | |
60 | Asahi Kasei Corp. | Chemical engineering,Petrochemical,Fertilizer, ...[+2] | patent citation: 75 | |
61 | Mitsubishi Materials Corp. | Cement,Alloy,Polycrystalline silicon, ...[+2] | patent citation: 71 | |
62 | Mitsui Chemistry Joint-stock Co. | patent citation: 71 | ||
63 | Mitsubishi Materials Techno Corp. | patent citation: 71 | ||
64 | Hitachi Kokusai Electric, Inc. | Semiconductor,Electronics,Thin film, ...[+2] | patent citation: 68 | |
65 | Toyota Central R&D Labs, Inc. | Semiconductor,Power semiconductor device,System on a chip, ...[+2] | patent citation: 65 | |
66 | Fujitsu Quantum Devices Ltd. | patent citation: 63 | ||
67 | AOI Electronics Co., Ltd. | Resistor,Electronics,Electronic component, ...[+2] | patent citation: 62 | |
68 | Victor Company of Japan Ltd. | Electronics,Software,High-definition television, ...[+2] | patent citation: 62 | |
69 | The Nippon Signal Co., Ltd. | Automated fare collection,Railway signal,Electronics, ...[+2] | patent citation: 58 | |
70 | JSR Corp. | Synthetic rubber,Natural rubber,Elastomer, ...[+2] | patent citation: 57 | |
71 | TDK Corp. | Electronic component,Ceramic capacitor,Electronics, ...[+2] | patent citation: 54 | |
72 | DIC Corp. | Pigment,Chemical engineering,Synthetic resin, ...[+2] | patent citation: 54 | |
73 | DIC Corporation | Pigment,Polymer,Epoxy, ...[+2] | patent citation: 54 | |
74 | Hamamatsu Photonics KK | Semiconductor,Photonics,Laser, ...[+2] | patent citation: 47 | |
75 | Nippon Zeon Co., Ltd. | Chemical engineering,Solid-state battery,Supercapacitor, ...[+1] | patent citation: 47 | |
76 | Unisis Corp. | Medical equipment,Medicine,Biopsy | patent citation: 45 | |
77 | Sumitomo Heavy Industries, Ltd. | Sewage treatment,Proton therapy,Cryocooler, ...[+2] | patent citation: 44 | |
78 | Ebara Corp. | Vacuum pump,Manufacturing engineering,Turbine, ...[+2] | patent citation: 44 | |
79 | Toyobo Co., Ltd. | Chemical engineering,Synthetic rubber,Membrane, ...[+2] | patent citation: 44 | |
80 | Toshiba Microelectronics Corp. | patent citation: 41 | ||
81 | Nippon Kayaku Co., Ltd. | Biosimilar,Chemical engineering,Industrial engineering, ...[+2] | patent citation: 39 | |
82 | Sekisui Chemical Co., Ltd. | Synthetic rubber,Industrial engineering,Polyvinyl chloride, ...[+2] | patent citation: 38 | |
83 | Asahi Kasei Microdevices Corp. | Electronic component,Electronics,Avionics, ...[+2] | patent citation: 38 | |
84 | Asahi Kasei Microsystems Co., Ltd. | Semiconductor,Accelerometer,Electronic component | patent citation: 38 | |
85 | Nikko-Materials Co., Ltd. | Power transmission,Electronics,Silicon carbide, ...[+2] | patent citation: 35 | |
86 | Nitto Denko Corp. | Semiconductor,Product design,Adhesive, ...[+2] | patent citation: 34 | |
87 | Organo Corp. | Water treatment,Manufacturing engineering,Microfiltration, ...[+2] | patent citation: 34 | |
88 | M. Watanabe & Co. Ltd. | Semiconductor,Semiconductor device,Electronic component | patent citation: 34 | |
89 | Kuraray Co., Ltd. | Synthetic rubber,Isoprene,Vinyl acetate, ...[+2] | patent citation: 33 | |
90 | Alps Alpine Co., Ltd. | Electronic component,Electronics,Power transmission, ...[+2] | patent citation: 33 | |
91 | Nissan Motor Co., Ltd. | Truck,Public transport,Automotive engineering, ...[+2] | patent citation: 31 | |
92 | Hitachi High-Tech Science Corp. | Computer hardware,Electronics,Nanometrology, ...[+2] | patent citation: 31 | |
93 | Hitachi Metals, Ltd. | Metal,Magnet,Telecommunications, ...[+2] | patent citation: 30 | |
94 | Yokogawa Electric Corp. | Automation,Systems design,Programmable logic controller, ...[+2] | patent citation: 29 | |
95 | Toyo Kohan Co., Ltd. | Aluminum substrate,Ferroalloy,Mining engineering, ...[+1] | patent citation: 28 | |
96 | Sigma Corp. | Semiconductor,Electronic component | patent citation: 28 | |
97 | Kobe Steel, Ltd. | Welding,Electronics,Mining engineering, ...[+2] | patent citation: 27 | |
98 | Nippon Sheet Glass Co., Ltd. | Glazing,Flat glass,Timing belt, ...[+2] | patent citation: 27 | |
99 | Showa Denko K.K. | Graphite,Materials science,Nanomaterials, ...[+2] | patent citation: 27 | |
100 | Faurecia Clarion Electronics Co., Ltd. | Electronics,Information device,Telematics, ...[+2] | patent citation: 27 |