Top 100 Key Players companies in Digital clock by Most Patent Citation in the United States in 2021 – Discovery

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The Digital clock top 100 is Discovery PatSnap’ annual ranking of the top 100 Most Patent Citation Digital clock Key Players in the United States. 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.

1	Rovi Guides, Inc.	California, United States	Advertising,Digital media,Publishing	patent citation: 2,211
2	Honeywell International, Inc.	North Carolina, United States	Aerospace,Electronics,Market research, ...[+2]	patent citation: 525
3	International Business Machines Corp.	New York, United States	Software,Computer hardware,Enterprise software, ...[+2]	patent citation: 322
4	Intel Corp.	California, United States	Semiconductor,Software,Computer hardware, ...[+2]	patent citation: 322
5	Lockheed Martin Corp.	United States	National security,Aerospace,Network security, ...[+2]	patent citation: 222
6	Google LLC	California, United States	Advertising,Enterprise software,Search engine, ...[+2]	patent citation: 213
7	Advanced Micro Devices, Inc.	California, United States	Semiconductor,Software,Virtualization, ...[+2]	patent citation: 168
8	AT&T, Inc.	Texas, United States	Wireless,Telecommunications,Mobile device, ...[+2]	patent citation: 146
9	AT&T IPM Corp.	United States		patent citation: 146
10	Spectralink Corp.	Colorado, United States	Telecommunications,Wireless	patent citation: 124
11	Texas Instruments Incorporated	Texas, United States	Semiconductor,Digital signal processing,Electronic component, ...[+2]	patent citation: 121
12	Bell Laboratories, Inc.	Wisconsin, United States	Rodenticide,Agriculture,Chemical engineering, ...[+2]	patent citation: 113
13	OrthoSensor, Inc.	United States	Orthopedic surgery,Medical equipment,Health care, ...[+2]	patent citation: 110
14	Maxtor Corp.	California, United States	Computer hardware,Peripheral	patent citation: 107
15	Rockwell International Corp.	Wisconsin, United States	Automation,Computer hardware,Electronics	patent citation: 90
16	Silicon Laboratories, Inc.	Texas, United States	Computer hardware,Internet of Things,Silicon, ...[+2]	patent citation: 89
17	RPX Corp.	California, United States	Patent portfolio,Semiconductor,E-commerce, ...[+2]	patent citation: 84
18	Sargent & Greenleaf, Inc.	Kentucky, United States	Fixture	patent citation: 84
19	Round Rock Research LLC	New York, United States	Transistor,Semiconductor device fabrication,Semiconductor	patent citation: 83
20	Teradyne, Inc.	Massachusetts, United States	Automation,Semiconductor,Industrial engineering, ...[+2]	patent citation: 82
21	Display Technologies, Inc.	North Carolina, United States	Manufacturing engineering,Food industry,Cosmetics	patent citation: 81
22	Display Technologies LLC	New York, United States	Locking differential,E-commerce,Food industry	patent citation: 81
23	Xilinx, Inc.	California, United States	Software,Computer hardware,Semiconductor, ...[+2]	patent citation: 80
24	Sun Microsystems, Inc.	California, United States	Software,Semiconductor,Microprocessor, ...[+2]	patent citation: 79
25	Beacon Industries, Inc.	Connecticut, United States	Aerial work platform,Beacon,Aerospace, ...[+1]	patent citation: 69
26	Microchip Technology, Inc.	Arizona, United States	Semiconductor,Wireless,Automotive engineering, ...[+2]	patent citation: 67
27	Cirrus Logic, Inc.	Texas, United States	Digital signal processing,Semiconductor,Electronics, ...[+2]	patent citation: 64
28	Sun Coast Merchandise Corp.	California, United States		patent citation: 62
29	Cooper Industries LLC	Texas, United States	Light fixture,Electronics,Fixture, ...[+2]	patent citation: 61
30	Raytheon Co.	Massachusetts, United States	Missile,National security,Aerospace, ...[+2]	patent citation: 56
31	Hewlett-Packard Development Co. LP	Texas, United States	Peripheral,Graphics processing unit,Information technology management, ...[+2]	patent citation: 55
32	QUALCOMM, Inc.	California, United States	Telecommunications,Wireless,Mobile device, ...[+2]	patent citation: 51
33	Inventronics, Inc.	Massachusetts, United States	Computer hardware,Electronics	patent citation: 44
34	Stratus Corp.	Oregon, United States	Construction engineering	patent citation: 44
35	Viavi Solutions, Inc.	California, United States	Computer hardware,Broadband,Optical coating, ...[+2]	patent citation: 43
36	TranSwitch Corp.	Connecticut, United States	Semiconductor,Voice over IP,Electronics, ...[+2]	patent citation: 42
37	Tektronix, Inc.	Oregon, United States	Semiconductor,Computer hardware,Software, ...[+2]	patent citation: 41
38	VLSI Technology, Inc.	California, United States	Application-specific integrated circuit,Leading edge,Silicon valley	patent citation: 40
39	Level One Communications, Inc.	Arizona, United States	Wide area network,Local area network,Wireless	patent citation: 40
40	Chrontel, Inc.	California, United States	Semiconductor,Light therapy,Consumer market, ...[+2]	patent citation: 37
41	Star Brite, Inc.	United States	Motor oil,SOAP,Automotive industry	patent citation: 37
42	Beckman Instruments, Inc.	Indiana, United States	Medicine,Guidance system	patent citation: 36
43	National Semiconductor Corp.	Texas, United States	Semiconductor,Touchscreen,Adaptive voltage scaling, ...[+2]	patent citation: 34
44	Internal Data Resources, Inc.	United States	Recruitment Activity	patent citation: 34
45	General Dynamics Decision Systems, Inc.	Arizona, United States	Semiconductor,Secure communication,Information assurance, ...[+1]	patent citation: 34
46	The Black & Decker Corp.	United States	Power tool,Computer hardware,Warehouse, ...[+2]	patent citation: 33
47	Altera Corp.	California, United States	Semiconductor,Programmable logic device,Software, ...[+2]	patent citation: 33
48	MACOM Connectivity Solutions LLC	California, United States	Semiconductor	patent citation: 33
49	Salton, Inc.	United States	Electronics	patent citation: 32
50	Hypres, Inc.	New York, United States	Computer hardware,Software,Fault current limiter, ...[+2]	patent citation: 32
51	Lucent Technologies, Inc.	New Jersey, United States	Software,Telecommunications,Private network, ...[+2]	patent citation: 31
52	StorageTechnology Corp.	Colorado, United States	Software,Tape library,Data storage system	patent citation: 31
53	GlobalFoundries U.S., Inc.	New York, United States	Semiconductor,Foundry,Electronics, ...[+2]	patent citation: 31
54	NXP USA, Inc.	Texas, United States	Semiconductor,Resistor,Electron, ...[+2]	patent citation: 31
55	Optimum Power Technology	Pennsylvania, United States	Design tool,Product design,Software, ...[+1]	patent citation: 29
56	General Electric Co.	Massachusetts, United States	Energy management,Turbine,Electronics, ...[+2]	patent citation: 28
57	Locomotive Specialists, Inc.	Utah, United States	Wireless	patent citation: 26
58	American Time & Signal Co.	Minnesota, United States	Guidance system	patent citation: 25
59	Sutter Hospitals Medical Research Foundation	United States		patent citation: 25
60	Robert Bosch Corp.	Michigan, United States	Shopping mall,Truck	patent citation: 25
61	Diodes, Inc.	Texas, United States	Semiconductor,Transistor,Thyristor, ...[+2]	patent citation: 24
62	Dialog Semiconductor, Inc.	California, United States	Semiconductor,Electronic component,Still camera, ...[+2]	patent citation: 24
63	FirstPoint Contact Technologies LLC	Delaware, United States		patent citation: 23
64	ADTRAN, Inc.	Alabama, United States	Software,Semiconductor,Electronic component, ...[+2]	patent citation: 21
65	Hi/Fn, Inc.	California, United States	Electrical equipment,Nearline storage,Virtual tape library, ...[+2]	patent citation: 21
66	Jelida's, Inc.	Tennessee, United States	Automation,Manufacturing engineering,Industrial engineering, ...[+2]	patent citation: 21
67	Fluke Corp.	Washington, United States	Software,Robotics,Condition monitoring, ...[+2]	patent citation: 20
68	Tanager Group BV	Connecticut, United States	Quartz,Precious metal,Activity tracker, ...[+2]	patent citation: 20
69	Timex Group USA, Inc.	Arkansas, United States	Precious metal,Smartwatch,Wearable technology, ...[+2]	patent citation: 20
70	Ribbon Communications Operating Co., Inc.	Texas, United States	Telecommunications,Unified communications,Internet Protocol, ...[+2]	patent citation: 20
71	Robertshaw Controls Co.	Virginia, United States	Electronics	patent citation: 19
72	McDonnell Douglas Corp.	Missouri, United States	Aerospace,National security,Missile, ...[+1]	patent citation: 19
73	Greatbatch Ltd.	New York, United States	Medicine,Medical equipment,Feedthrough, ...[+2]	patent citation: 19
74	Delphi Technology, Inc.	Massachusetts, United States	Software,Business intelligence,Systems design, ...[+2]	patent citation: 18
75	Tenney Engineering, Inc.	New Jersey, United States	Gas compressor	patent citation: 18
76	Everbrite Electric Signs, Inc.	United States		patent citation: 18
77	Rambus, Inc.	California, United States	Semiconductor,Architecture,Memory architecture, ...[+2]	patent citation: 17
78	Quantum Corp.	California, United States	Software,Quantum,Peripheral, ...[+2]	patent citation: 16
79	Ericsson, Inc.	Texas, United States	Wireless,Telecommunications,Transmitter, ...[+2]	patent citation: 16
80	VizionWare, Inc.	Texas, United States	HDMI,Software,Digital Visual Interface, ...[+2]	patent citation: 16
81	Microsemi Storage Solutions, Inc.	Arizona, United States	Semiconductor,Electronic component,Software	patent citation: 15
82	L3Harris Cincinnati Electronics Corp.	Ohio, United States	Cryocooler,Aerospace,Electronics, ...[+2]	patent citation: 15
83	REMEC Broadband Wireless Networks LLC	California, United States	Wireless,Telecommunications,Wireless network, ...[+2]	patent citation: 15
84	Grason-Stadler, Inc.	Minnesota, United States	Medical equipment,Health care,Hearing aid, ...[+2]	patent citation: 14
85	Ciena Corp.	United States	Software,Telecommunications,Network Functions Virtualization, ...[+2]	patent citation: 13
86	Exxon Mobil Corp.	Texas, United States	Petroleum,Petroleum industry,Chemical engineering, ...[+2]	patent citation: 12
87	MaxLinear, Inc.	California, United States	Semiconductor,Radio frequency,Telecommunications, ...[+2]	patent citation: 12
88	Mobil Corp.	Texas, United States	Petroleum industry,Petroleum,Natural gas	patent citation: 12
89	Fujitsu Microelectronics America, Inc.	California, United States	Semiconductor,Microelectronics,Electronic component, ...[+2]	patent citation: 11
90	General Dynamics Information Systems, Inc.	Virginia, United States	Information technology consulting,Systems design	patent citation: 10
91	Agilent Technologies, Inc.	California, United States	Genomics,Computer hardware,Semiconductor, ...[+2]	patent citation: 9
92	Zoran Corp.	California, United States	Semiconductor,Digital signal processing,Electronics, ...[+2]	patent citation: 9
93	Motorola, Inc.	Illinois, United States	Telecommunications,Mobile phone,Broadband, ...[+2]	patent citation: 9
94	Rosemount, Inc.	Minnesota, United States	Computer hardware,Electronics,Pressure sensor, ...[+2]	patent citation: 9
95	Hughes Aircraft Co.	California, United States	Electronic systems,Aerospace,National security	patent citation: 9
96	Aaron's Automotive Products, Inc.	Missouri, United States	Electronics,Power transmission,Turbine	patent citation: 9
97	U.S. Philips Corp.	Pennsylvania, United States		patent citation: 9
98	Stewart-Warner Corp.	Pennsylvania, United States	Instrumentation	patent citation: 8
99	Harris Intertype Corp.	United States	Automation,Mechanical engineering,Manufacturing engineering, ...[+1]	patent citation: 8
100	Ashtech, Inc.	California, United States	Aerospace,National security,Satellite	patent citation: 8