Top 100 Key Players companies in Memory by Most Patent Citation in the United States in 2019 – Discovery

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1	Micron Technology, Inc.	Idaho, United States	Semiconductor,Computer hardware,Solid-state drive, ...[+2]	patent citation: 23,902
2	Fujitsu Microelectronics America, Inc.	California, United States	Semiconductor,Microelectronics,Electronic component, ...[+2]	patent citation: 18,650
3	International Business Machines Corp.	New York, United States	Software,Computer hardware,Enterprise software, ...[+2]	patent citation: 9,507
4	Zeno Semiconductor, Inc.	California, United States	Transistor,Semiconductor device fabrication,Semiconductor	patent citation: 8,881
5	Round Rock Research LLC	New York, United States	Transistor,Semiconductor device fabrication,Semiconductor	patent citation: 4,583
6	SanDisk Technologies LLC	Texas, United States		patent citation: 4,407
7	Intel Corp.	California, United States	Semiconductor,Software,Computer hardware, ...[+2]	patent citation: 3,806
8	GlobalFoundries U.S., Inc.	New York, United States	Semiconductor,Foundry,Electronics, ...[+2]	patent citation: 2,887
9	Synopsys, Inc.	California, United States	Software,Information technology consulting,Electronic design automation, ...[+2]	patent citation: 1,696
10	Tessera Advanced Technologies, Inc.	California, United States	Electronics,Miniaturization,Computer hardware, ...[+2]	patent citation: 1,479
11	Intellectual Ventures I LLC	Delaware, United States	Asset management	patent citation: 1,433
12	Rambus, Inc.	California, United States	Semiconductor,Architecture,Memory architecture, ...[+2]	patent citation: 1,390
13	Cypress Semiconductor Corp.	California, United States	Semiconductor,Product design,Industrial engineering, ...[+2]	patent citation: 1,087
14	Western Digital Corp.	California, United States	Computer hardware,Navigation system,Software, ...[+2]	patent citation: 969
15	Western Digital Technologies, Inc.	California, United States	Computer hardware,Peripheral,Electronics, ...[+2]	patent citation: 969
16	Atmel Corp.	California, United States	Semiconductor,Microcontroller,Industrial engineering, ...[+2]	patent citation: 802
17	Bell Laboratories, Inc.	Wisconsin, United States	Rodenticide,Agriculture,Chemical engineering, ...[+2]	patent citation: 733
18	Hewlett Packard Enterprise Development LP	Texas, United States	Information technology consulting,Systems design,Computer security, ...[+2]	patent citation: 677
19	Apple, Inc.	California, United States	Software,Computer hardware,Peripheral, ...[+2]	patent citation: 652
20	U.S. Philips Corp.	Pennsylvania, United States		patent citation: 597
21	Freescale Semiconductor, Inc.	Texas, United States	Semiconductor,Industrial engineering,Automotive engineering, ...[+2]	patent citation: 591
22	Ramtron International Corp.	Colorado, United States	Semiconductor,Automation,Molecular electronics, ...[+2]	patent citation: 554
23	Micron Quantum Devices, Inc.	California, United States		patent citation: 508
24	Semiconductor Components Industries LLC	Arizona, United States	Semiconductor,Transistor,Image sensor, ...[+2]	patent citation: 455
25	National Semiconductor Corp.	Texas, United States	Semiconductor,Touchscreen,Adaptive voltage scaling, ...[+2]	patent citation: 432
26	PhysioWave, Inc.	California, United States	Pulse wave velocity,Medical equipment,Health care	patent citation: 405
27	UniRam Technology, Inc.	California, United States		patent citation: 380
28	Nintendo Co., Ltd.	Kyoto, Japan	Game console,Video game development,Mobile device, ...[+2]	patent citation: 372
29	MoSys, Inc.	California, United States	Semiconductor,Memristor,Computer hardware, ...[+2]	patent citation: 372
30	Xilinx, Inc.	California, United States	Software,Computer hardware,Semiconductor, ...[+2]	patent citation: 360
31	Lattice Semiconductor Corp.	Oregon, United States	Semiconductor,Software,Enterprise software, ...[+2]	patent citation: 354
32	Microchip Technology, Inc.	Arizona, United States	Semiconductor,Wireless,Automotive engineering, ...[+2]	patent citation: 342
33	Altera Corp.	California, United States	Semiconductor,Programmable logic device,Software, ...[+2]	patent citation: 341
34	AT&T, Inc.	Texas, United States	Wireless,Telecommunications,Mobile device, ...[+2]	patent citation: 333
35	AT&T IPM Corp.	United States		patent citation: 333
36	Callahan Cellular LLC	Delaware, United States	Shopping mall,Electronics	patent citation: 306
37	CTU of Delaware, Inc.	Texas, United States		patent citation: 294
38	Hughes Aircraft Co.	California, United States	Electronic systems,Aerospace,National security	patent citation: 283
39	Chartered Semiconductor Manufacturing, Inc.	California, United States	Semiconductor,Electronic component,Semiconductor device	patent citation: 282
40	Microelectronics & Computer Technology Corp.	Texas, United States	Microelectronics,Biotechnology,Oceanography, ...[+2]	patent citation: 259
41	Acacia Research Group LLC	Texas, United States	Asset management	patent citation: 259
42	Hyundai Electronics America	California, United States	Semiconductor,Mass production,Electronic component, ...[+1]	patent citation: 250
43	SunRise Memory Corp.	California, United States		patent citation: 217
44	Google LLC	California, United States	Advertising,Enterprise software,Search engine, ...[+2]	patent citation: 211
45	Fluoroware, Inc.	Minnesota, United States	Materials management,Semiconductor	patent citation: 211
46	TouchTunes Music Corp.	New York, United States	Music,Software,Advertising, ...[+2]	patent citation: 209
47	XTec, Inc.	United States	Authentication,Information technology consulting,Fingerprint recognition, ...[+2]	patent citation: 207
48	QUALCOMM, Inc.	California, United States	Telecommunications,Wireless,Mobile device, ...[+2]	patent citation: 204
49	Verbatim Corp.	North Carolina, United States	Peripheral,Electronics,Computer hardware	patent citation: 198
50	Adesto Technologies Corp.	California, United States	Semiconductor,Non-volatile memory,Embedded software, ...[+2]	patent citation: 195
51	Applied Materials, Inc.	California, United States	Semiconductor,Electronics,Chemical-mechanical planarization, ...[+2]	patent citation: 193
52	Lucent Technologies, Inc.	New Jersey, United States	Software,Telecommunications,Private network, ...[+2]	patent citation: 189
53	Ovonyx Memory Technology LLC	United States		patent citation: 188
54	SGS-Thomson Microelectronics, Inc.	Arizona, United States	Semiconductor,Electronic component,Microelectronics	patent citation: 181
55	Eastman Kodak Co.	New York, United States	3D printing,Photography,Digital media, ...[+2]	patent citation: 175
56	Monolithic 3D, Inc.	California, United States	Software,Systems design,Patent analysis, ...[+2]	patent citation: 164
57	Hanger Solutions LLC	United States		patent citation: 160
58	RPX Corp.	California, United States	Patent portfolio,Semiconductor,E-commerce, ...[+2]	patent citation: 158
59	Micron Semiconductor, Inc.	United States		patent citation: 146
60	Hewlett-Packard Development Co. LP	Texas, United States	Peripheral,Graphics processing unit,Information technology management, ...[+2]	patent citation: 145
61	Energy Conversion Devices, Inc.	Michigan, United States	Energy conversion devices,Computer hardware,Tort, ...[+2]	patent citation: 144
62	Dell USA LP	Texas, United States		patent citation: 143
63	Sperry Corp.	Utah, United States	Electronic systems,Mechanical engineering,Manufacturing engineering	patent citation: 140
64	NXP USA, Inc.	Texas, United States	Semiconductor,Resistor,Electron, ...[+2]	patent citation: 140
65	EMC IP Holding Co. LLC	Delaware, United States		patent citation: 120
66	Agilent Technologies, Inc.	California, United States	Genomics,Computer hardware,Semiconductor, ...[+2]	patent citation: 118
67	Seagate Technology Unlimited Co.	California, United States	Computer hardware,Flash memory,Software, ...[+2]	patent citation: 113
68	Seagate Technology LLC	California, United States	Cloud computing,Computer hardware,Electronics, ...[+2]	patent citation: 113
69	Security With Advanced Technology, Inc.	Colorado, United States	Digital video,Computer hardware,Electronics, ...[+1]	patent citation: 107
70	Fleet Credit Card Services LP	Pennsylvania, United States	Goods and services	patent citation: 106
71	Fairchild Camera & Instrument, Inc.	New York, United States	Electronics,Laundry,Optical instrument	patent citation: 105
72	LaserCard Corp.	California, United States	Radio-frequency identification,Computer hardware,Software, ...[+2]	patent citation: 102
73	Maxim Integrated Products, Inc.	California, United States	Semiconductor,Industrial engineering,Electronics, ...[+2]	patent citation: 100
74	Unisys Corp.	Pennsylvania, United States	Software,Information technology consulting,Systems design, ...[+2]	patent citation: 96
75	Westinghouse Electric Co. LLC	Pennsylvania, United States	Nuclear power plant,Pressurized water reactor,Power transmission, ...[+2]	patent citation: 95
76	Super Talent Technology Corp.	California, United States	Flash memory,Computer hardware,Silicon valley, ...[+2]	patent citation: 92
77	GSI Technology, Inc.	California, United States	Static random-access memory,Semiconductor,Electronic component, ...[+2]	patent citation: 91
78	Microsemi SoC Corp.	Arizona, United States	Semiconductor,Electronic component	patent citation: 90
79	Computer Automation, Inc.	Texas, United States	Automation,Computer hardware,Electronics	patent citation: 90
80	Maxtor Corp.	California, United States	Computer hardware,Peripheral	patent citation: 89
81	Certeon, Inc.	Massachusetts, United States	Software,Network security,Enterprise software, ...[+2]	patent citation: 86
82	CapsoVision, Inc.	California, United States	Medical equipment,Capsule endoscopy,Health care, ...[+2]	patent citation: 83
83	Radian Memory Systems, Inc.	California, United States	Software,Data center,Cloud computing, ...[+2]	patent citation: 82
84	NVIDIA Corp.	California, United States	Software,Graphics processing unit,Computer hardware, ...[+2]	patent citation: 76
85	Medtronic Vascular, Inc.	California, United States	Coronary stent,Health care,Occlusion, ...[+2]	patent citation: 76
86	Nantero, Inc.	Massachusetts, United States	Semiconductor,Computer hardware,Software, ...[+2]	patent citation: 72
87	National Starch & Chemical Investment Holding Co.	Delaware, United States		patent citation: 71
88	Spectra-Physics, Inc.	California, United States	Semiconductor,Laser,Optics, ...[+2]	patent citation: 70
89	Winbond Electronics Corporation America	California, United States	Semiconductor,Electronics,Semiconductor memory, ...[+2]	patent citation: 70
90	Duncan Parking Technologies, Inc.	Arkansas, United States	Computer hardware,Electronics,Software, ...[+1]	patent citation: 68
91	Virginia Tech Intellectual Properties, Inc.	Virginia, United States	Software,Medical imaging,Digital library, ...[+2]	patent citation: 64
92	Infineon Technologies North America Corp.	California, United States	Semiconductor,Electronic component,Electronics	patent citation: 63
93	Twitter, Inc.	California, United States	Short Message Service,Social media,Communications system, ...[+2]	patent citation: 62
94	Electronic Memories & Magnetics Corp.	United States	Peripheral,Electronics,Computer hardware	patent citation: 60
95	The Raymond Corp.	New York, United States	Manufacturing engineering,Industrial engineering,Truck, ...[+2]	patent citation: 57
96	Raytheon Co.	Massachusetts, United States	Missile,National security,Aerospace, ...[+2]	patent citation: 54
97	GTE Laboratories, Inc.	Massachusetts, United States		patent citation: 54
98	Rockwell International Corp.	Wisconsin, United States	Automation,Computer hardware,Electronics	patent citation: 51
99	Kilopass Technology, Inc.	California, United States	Semiconductor,Non-volatile memory,Electronics, ...[+2]	patent citation: 50
100	Tactical Fabs, Inc.	California, United States	Semiconductor,Electronic component	patent citation: 50