Top 100 Key Players companies in Fading by Most Patent Citation in the world in 2021 – Discovery

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The Fading top 100 is Discovery PatSnap’ annual ranking of the top 100 Most Patent Citation Fading Key Players in the world. Discovery has identified the top key players, startups & unicorns, fast-growings, news entrants in 2021, ranking from differnt perspectives, including patent filing intensity, academic research capability, news media heat. The company list is generated from various data types.

In wireless communications, fading is variation of the attenuation of a signal with various variables. These variables include time, geographical position, and radio frequency. Fading is often modeled as a random process. A fading channel is a communication channel that experiences fading. In wireless systems, fading may either be due to multipath propagation, referred to as multipath-induced fading, weather (particularly rain), or shadowing from obstacles affecting the wave propagation, sometimes referred to as shadow fading.

1	InterDigital Technology Corp.	Delaware, United States		patent citation: 1,935
2	Intel Corp.	California, United States	Semiconductor,Software,Computer hardware, ...[+2]	patent citation: 1,145
3	Apple, Inc.	California, United States	Software,Computer hardware,Peripheral, ...[+2]	patent citation: 1,128
4	Microsoft Technology Licensing LLC	Washington, United States	Franchise agreement	patent citation: 1,060
5	IPR Licensing, Inc.	DE, US	Semiconductor,Electronic component	patent citation: 1,019
6	Lucent Technologies, Inc.	New Jersey, United States	Software,Telecommunications,Private network, ...[+2]	patent citation: 943
7	NEC Corp.	Tokyo, Japan	Virtualization,Big data,Network security, ...[+2]	patent citation: 807
8	Genghiscomm Holdings LLC	Colorado, United States		patent citation: 779
9	Sony Group Corp.	Tokyo, Japan	Computer hardware,Software,Music, ...[+2]	patent citation: 667
10	Ericsson, Inc.	Texas, United States	Wireless,Telecommunications,Transmitter, ...[+2]	patent citation: 587
11	Panasonic Holdings Corp.	Osaka, Japan	Semiconductor,Industrial engineering,Electronics, ...[+2]	patent citation: 561
12	QUALCOMM, Inc.	California, United States	Telecommunications,Wireless,Mobile device, ...[+2]	patent citation: 561
13	Matsushita Electronics Corp.	Osaka, Japan	Electronics,Computer hardware,DVD player, ...[+2]	patent citation: 561
14	NETGEAR, Inc.	California, United States	Computer hardware,Internet of Things,5G, ...[+2]	patent citation: 475
15	RPX Corp.	California, United States	Patent portfolio,Semiconductor,E-commerce, ...[+2]	patent citation: 457
16	Entity, Inc.	California, United States		patent citation: 417
17	Fujitsu Ltd.	Tokyo, Japan	Cloud computing,Enterprise software,Information technology management, ...[+2]	patent citation: 413
18	Fujitsu Microelectronics America, Inc.	California, United States	Semiconductor,Microelectronics,Electronic component, ...[+2]	patent citation: 413
19	Medtronic, Inc.	Minnesota, United States	Medicine,Implantable cardiac pacemaker,Biomedical engineering, ...[+2]	patent citation: 382
20	Nippon Telegraph & Telephone Corp.	Tokyo, Japan	Telecommunications,Cloud database,Data center, ...[+2]	patent citation: 354
21	Hitachi Kokusai Electric, Inc.	Saga, Japan	Semiconductor,Electronics,Thin film, ...[+2]	patent citation: 354
22	Samsung Electronics Co., Ltd.	South Korea	Computer hardware,Semiconductor,Software, ...[+2]	patent citation: 350
23	TOSHIBA Corp.	Tokyo, Japan	Semiconductor,Computer hardware,Electronics, ...[+2]	patent citation: 335
24	Texas Instruments Incorporated	Texas, United States	Semiconductor,Digital signal processing,Electronic component, ...[+2]	patent citation: 287
25	Mitsubishi Electric Engineering Co., Ltd.	Tokyo, Japan		patent citation: 282
26	Siemens AG	Bayern, Germany	Power transmission,Electronics,Turbine, ...[+2]	patent citation: 277
27	Siemens SA	Madrid, Spain	Scientific Control,Telecommunications,Turbine, ...[+1]	patent citation: 277
28	Exelis, Inc.	Virginia, United States	Information technology consulting,Enterprise software,Aerostat, ...[+2]	patent citation: 261
29	WiLAN, Inc.	Ontario, Canada	Information technology consulting,Systems design,Computer programming, ...[+2]	patent citation: 257
30	Motorola, Inc.	Illinois, United States	Telecommunications,Mobile phone,Broadband, ...[+2]	patent citation: 233
31	FUJIFILM Corp.	Tokyo, Japan	Photography,Medical imaging,Computer hardware, ...[+2]	patent citation: 221
32	Aechelon Technology, Inc.	California, United States	Software,Systems design,Simulation, ...[+2]	patent citation: 198
33	NTT DoCoMo, Inc.	Tokyo, Japan	Telecommunications,Wireless,Mobile device, ...[+2]	patent citation: 192
34	Seiko Epson Corp.	Nagano, Japan	Wearable technology,Projector,Electronics, ...[+2]	patent citation: 174
35	Comsys Communication & Signal Processing Ltd.	HaMerkaz, Israel	Telecommunications,W-CDMA,Baseband, ...[+2]	patent citation: 162
36	Sirius XM Radio, Inc.	New York, United States	Music,Broadcasting,Internet radio, ...[+2]	patent citation: 160
37	WSOU Investments LLC	Texas, United States	Franchise agreement	patent citation: 158
38	Icon Textile Laser Systems, Inc.	United States		patent citation: 158
39	Koninklijke Philips NV	Noord-Holland, Netherlands	Health care,Wellness Programs,Medical imaging, ...[+2]	patent citation: 156
40	Industrial Products, Inc.	United States	Forging,Casting,Automation, ...[+2]	patent citation: 154
41	Ricoh Co., Ltd.	Tokyo, Japan	Digital media,Data visualization,Thermal paper, ...[+2]	patent citation: 149
42	Canon, Inc.	Tokyo, Japan	Computer hardware,Software,Computer vision, ...[+2]	patent citation: 147
43	Network Integrity Systems, Inc.	North Carolina, United States	Network integrity,Infrastructure security	patent citation: 147
44	San-Ei Gen F.F.I., Inc.	Osaka, Japan	Colourant,Food industry,Food material, ...[+2]	patent citation: 145
45	Bell Laboratories, Inc.	Wisconsin, United States	Rodenticide,Agriculture,Chemical engineering, ...[+2]	patent citation: 145
46	Nortel Networks Corp.	Ontario, Canada	Telecommunications,Voice over IP,Software, ...[+2]	patent citation: 143
47	Nortel Networks Ltd. (Canada)	Ontario, Canada		patent citation: 143
48	Raytheon Co.	Massachusetts, United States	Missile,National security,Aerospace, ...[+2]	patent citation: 134
49	Oki Electric Industry Co., Ltd.	Tokyo, Japan	Telecommunications,Call centre,Software, ...[+2]	patent citation: 130
50	Lenovo (Singapore) Pte Ltd.	Singapore	Laptop,Power transmission,Electronics, ...[+2]	patent citation: 130
51	Hewlett-Packard Development Co.	Beijing Shi, China	Personal computer,Computer hardware,Graphics processing unit, ...[+2]	patent citation: 126
52	STARTUP Remote Xccess LLC	Maryland, United States	Software,Computer hardware,Facility management, ...[+2]	patent citation: 123
53	Cisco Technology, Inc.	California, United States		patent citation: 122
54	U.S. Philips Corp.	Pennsylvania, United States		patent citation: 118
55	Citrix Systems, Inc.	Florida, United States	Virtualization,Software as a service,Enterprise software, ...[+2]	patent citation: 116
56	Fuji Electronics Co., Ltd.	Tokyo, Japan	Semiconductor,Microcomputer,Electronic component, ...[+2]	patent citation: 115
57	Fuji Electric FA Components & SYstems Co., Ltd.	Tokyo, Japan	Semiconductor,Industrial engineering,Smart grid, ...[+2]	patent citation: 115
58	Yamaha Corp.	Shizuoka, Japan	Audio equipment,Gasoline,Loudspeaker, ...[+2]	patent citation: 111
59	Huawei Technologies Co., Ltd.	Guangdong Sheng, China	Wireless,Software,Mobile device, ...[+2]	patent citation: 111
60	Nokia Oyj	Southern Finland, Finland	Mobile device,Internet of Things,Enterprise software, ...[+2]	patent citation: 108
61	KDDI Corp.	Tokyo, Japan	Telecommunications,Mobile device,5G, ...[+2]	patent citation: 106
62	iconectiv LLC	New Jersey, United States	Telecommunications,Wireless,Enterprise software, ...[+2]	patent citation: 95
63	Unwired Planet, LLC	United States	Decision-making	patent citation: 95
64	Hitachi Ltd.	Tokyo, Japan	Elevator,Electrical equipment,Electric motor, ...[+2]	patent citation: 93
65	Konica Minolta, Inc.	Tokyo, Japan	Medical imaging,Attractiveness,Product group, ...[+2]	patent citation: 93
66	AT&T, Inc.	Texas, United States	Wireless,Telecommunications,Mobile device, ...[+2]	patent citation: 92
67	AT&T IPM Corp.	United States		patent citation: 92
68	STMicroelectronics SA	Île-de-France, France	Semiconductor,Semiconductor chip,Electronic component, ...[+1]	patent citation: 89
69	ARRIS Enterprises LLC	United States	Broadband,Telecommunications,Wireless, ...[+1]	patent citation: 88
70	Oji Holdings Corp.	Tokyo, Japan	Containerboard,Paperboard,Thermal paper, ...[+2]	patent citation: 86
71	MeshNetworks, Inc.	United States	Wireless,Mesh networking,Mobile device, ...[+2]	patent citation: 85
72	PCTEL, Inc.	Illinois, United States	Wireless,Broadcasting,Software, ...[+2]	patent citation: 80
73	Nokia Siemens Networks Oy	Uusimaa, Finland	Telecommunications,Wireless,Mobile broadband, ...[+2]	patent citation: 80
74	Rockwell International Corp.	Wisconsin, United States	Automation,Computer hardware,Electronics	patent citation: 74
75	Funai Electric Co., Ltd.	Osaka, Japan	Electronics,Computer hardware,Blu-ray disc, ...[+2]	patent citation: 72
76	Sharp Corp.	Osaka, Japan	Computer hardware,Electronics,Telecommunications, ...[+2]	patent citation: 66
77	USA Digital Radio, Inc.	United States	Digital radio,Digital audio,Digital media, ...[+1]	patent citation: 64
78	Kao Corp.	Tokyo, Japan	Cosmetics,Health care,Hair conditioner, ...[+2]	patent citation: 63
79	Hewlett-Packard Development Co. LP	Texas, United States	Peripheral,Graphics processing unit,Information technology management, ...[+2]	patent citation: 63
80	Optoplan AS	Sør-Trøndelag, Norway	Optical fiber,Fiber Bragg grating,Fiber optic sensor, ...[+2]	patent citation: 61
81	Optis Wireless Technology LLC	United States	Wireless,Telecommunications	patent citation: 58
82	Gentex Corp.	Michigan, United States	Electronics,Computer hardware,Software, ...[+2]	patent citation: 57
83	SECOM Co., Ltd.	Tokyo, Japan	Fire protection,Residence,Fire detection, ...[+2]	patent citation: 56
84	Biowhittaker Technologies, Inc.	United States	Medicine,Cell culture,Cell	patent citation: 56
85	MediaTek, Inc.	Taiwan Province, China	Semiconductor,Internet of Things,Wireless, ...[+2]	patent citation: 55
86	Nokia Matkapuhelimet Oy	Uusimaa, Finland		patent citation: 54
87	InterDigital Patent Holdings, Inc.	Delaware, United States	Semiconductor,Electronic component	patent citation: 53
88	SK Telecom Co., Ltd.	South Korea	Telecommunications,Chaebol,5G, ...[+2]	patent citation: 52
89	Robert Bosch GmbH	Baden-Württemberg, Germany	Automotive engineering,Mechanical engineering,Electronics, ...[+2]	patent citation: 51
90	Robert Bosch Corp.	Michigan, United States	Shopping mall,Truck	patent citation: 51
91	Sony International Europe Gmbh	Germany		patent citation: 50
92	Beijing Samsung Telecom R&D Center	Beijing Shi, China		patent citation: 49
93	Showa Denko K.K.	Chiba, Japan	Graphite,Materials science,Nanomaterials, ...[+2]	patent citation: 48
94	Honeywell International, Inc.	North Carolina, United States	Aerospace,Electronics,Market research, ...[+2]	patent citation: 46
95	Dai Nippon Printing Co., Ltd.	Tokyo, Japan	Electronics,Publishing,Publication, ...[+2]	patent citation: 46
96	Fallcon Solutions Ltd.	Hampshire, United Kingdom	Fiber optic sensor,Distributed acoustic sensing,Petroleum industry, ...[+2]	patent citation: 46
97	Racal Antennas Ltd.	Dorset, United Kingdom	Frequency band,Telecommunications	patent citation: 46
98	Dainippon Printing Co. Ltd.	Japan		patent citation: 46
99	BTG Ltd.	United Kingdom	Emergency medicine,Health care,Interventional oncology, ...[+2]	patent citation: 44
100	BTG International Ltd.	United Kingdom	Natural science,Brachytherapy,Nuclear medicine, ...[+2]	patent citation: 44