Top 100 Key Players companies in Photomask by Most Patent Citation in the United States in 2022 – Discovery

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1	Micron Technology, Inc.	Idaho, United States	Semiconductor,Computer hardware,Solid-state drive, ...[+2]	patent citation: 8,163
2	International Business Machines Corp.	New York, United States	Software,Computer hardware,Enterprise software, ...[+2]	patent citation: 4,774
3	GlobalFoundries U.S., Inc.	New York, United States	Semiconductor,Foundry,Electronics, ...[+2]	patent citation: 4,746
4	Fujitsu Microelectronics America, Inc.	California, United States	Semiconductor,Microelectronics,Electronic component, ...[+2]	patent citation: 3,588
5	Electroninks, Inc.	Texas, United States	Electronics,Industrial engineering	patent citation: 3,331
6	Applied Materials, Inc.	California, United States	Semiconductor,Electronics,Chemical-mechanical planarization, ...[+2]	patent citation: 3,322
7	SanDisk Technologies LLC	Texas, United States		patent citation: 2,026
8	Gemfire Corp.	California, United States	Semiconductor,Telecommunications,Manufacturing capability, ...[+2]	patent citation: 1,602
9	KLA Corp.	California, United States	Semiconductor,Computer hardware,Electronics, ...[+2]	patent citation: 1,160
10	KLA-Tencor Technologies Corp.	California, United States		patent citation: 1,160
11	Round Rock Research LLC	New York, United States	Transistor,Semiconductor device fabrication,Semiconductor	patent citation: 1,003
12	Chartered Semiconductor Manufacturing, Inc.	California, United States	Semiconductor,Electronic component,Semiconductor device	patent citation: 951
13	Tessera Advanced Technologies, Inc.	California, United States	Electronics,Miniaturization,Computer hardware, ...[+2]	patent citation: 939
14	Kopin Corp.	Massachusetts, United States	Semiconductor,Wearable technology,Golden-i, ...[+2]	patent citation: 832
15	Intel Corp.	California, United States	Semiconductor,Software,Computer hardware, ...[+2]	patent citation: 793
16	U.S. Philips Corp.	Pennsylvania, United States		patent citation: 775
17	Semiconductor Components Industries LLC	Arizona, United States	Semiconductor,Transistor,Image sensor, ...[+2]	patent citation: 729
18	Nanosys, Inc.	California, United States	Quantum dot,Nanotechnology,Battery (electricity), ...[+2]	patent citation: 648
19	AZ Electronic Materials USA Corp.	New Jersey, United States	Semiconductor,Medical imaging,Mobile phone, ...[+1]	patent citation: 643
20	Freescale Semiconductor, Inc.	Texas, United States	Semiconductor,Industrial engineering,Automotive engineering, ...[+2]	patent citation: 612
21	Synopsys, Inc.	California, United States	Software,Information technology consulting,Electronic design automation, ...[+2]	patent citation: 586
22	Rohm & Haas Electronic Materials LLC	Massachusetts, United States	Semiconductor,Lithography,Computer hardware, ...[+2]	patent citation: 546
23	Lucent Technologies, Inc.	New Jersey, United States	Software,Telecommunications,Private network, ...[+2]	patent citation: 534
24	Roche Diabetes Care, Inc.	Indiana, United States	Insulin pump,Computer hardware,Electronics, ...[+1]	patent citation: 493
25	Cypress Semiconductor Corp.	California, United States	Semiconductor,Product design,Industrial engineering, ...[+2]	patent citation: 486
26	NXP USA, Inc.	Texas, United States	Semiconductor,Resistor,Electron, ...[+2]	patent citation: 469
27	Google LLC	California, United States	Advertising,Enterprise software,Search engine, ...[+2]	patent citation: 367
28	MoSys, Inc.	California, United States	Semiconductor,Memristor,Computer hardware, ...[+2]	patent citation: 366
29	Celanese Corp.	Texas, United States	Polymer,Synthetic rubber,Chemical engineering, ...[+2]	patent citation: 363
30	Siliconix, Inc.	California, United States	Semiconductor,Electronics,Electronic component, ...[+2]	patent citation: 348
31	Energy Conversion Devices, Inc.	Michigan, United States	Energy conversion devices,Computer hardware,Tort, ...[+2]	patent citation: 321
32	General Semiconductor, Inc.	New York, United States	Semiconductor,Transistor,Diode, ...[+2]	patent citation: 320
33	3M Innovative Properties Co.	Minnesota, United States	Intellectual property,Product design	patent citation: 290
34	QUALCOMM, Inc.	California, United States	Telecommunications,Wireless,Mobile device, ...[+2]	patent citation: 285
35	Westinghouse Electric Co. LLC	Pennsylvania, United States	Nuclear power plant,Pressurized water reactor,Power transmission, ...[+2]	patent citation: 285
36	Semitool, Inc.	United States	Semiconductor,Computer hardware,Electronics, ...[+2]	patent citation: 285
37	D2S, Inc.	California, United States	Software,Lithography,Semiconductor, ...[+2]	patent citation: 277
38	Inspex, Inc.	New Jersey, United States	Microelectronics,Computer hardware,Electronics, ...[+2]	patent citation: 270
39	Hitachi High-Tech Corp.	Illinois, United States	Semiconductor,Electronics,Microscope, ...[+2]	patent citation: 258
40	AT&T, Inc.	Texas, United States	Wireless,Telecommunications,Mobile device, ...[+2]	patent citation: 256
41	Western Digital Corp.	California, United States	Computer hardware,Navigation system,Software, ...[+2]	patent citation: 256
42	Western Digital Technologies, Inc.	California, United States	Computer hardware,Peripheral,Electronics, ...[+2]	patent citation: 256
43	Hughes Aircraft Co.	California, United States	Electronic systems,Aerospace,National security	patent citation: 256
44	AT&T IPM Corp.	United States		patent citation: 256
45	Advanced Interconnection Technology, Inc.	New York, United States	Semiconductor,Software,Electronics, ...[+2]	patent citation: 250
46	Toppan Photomasks, Inc.	Texas, United States	Semiconductor,Photomask,Nanotechnology, ...[+2]	patent citation: 235
47	FUJIFILM Electronic Materials USA, Inc.	Rhode Island, United States	Semiconductor,Photoresist,Electronic component, ...[+1]	patent citation: 233
48	National Technology & Engineering Solutions of Sandia LLC	New Mexico, United States		patent citation: 221
49	Lam Research Corp.	California, United States	Semiconductor,Wafer fabrication,Electronic component, ...[+2]	patent citation: 208
50	PerkinElmer LLC	Massachusetts, United States	Environmental health,Food supply,Computer hardware, ...[+2]	patent citation: 208
51	Bell Laboratories, Inc.	Wisconsin, United States	Rodenticide,Agriculture,Chemical engineering, ...[+2]	patent citation: 199
52	Crosspoint Solutions LLC	New Jersey, United States	Automation,Manufacturing engineering,Industrial engineering, ...[+2]	patent citation: 182
53	Xilinx, Inc.	California, United States	Software,Computer hardware,Semiconductor, ...[+2]	patent citation: 178
54	Innova Dynamics, Inc.	California, United States	Electronics,Polymer,Nanostructure, ...[+2]	patent citation: 171
55	Novellus Systems, Inc.	California, United States	Semiconductor,Wafer fabrication,Automation, ...[+2]	patent citation: 166
56	Eastman Kodak Co.	New York, United States	3D printing,Photography,Digital media, ...[+2]	patent citation: 160
57	Monolithic 3D, Inc.	California, United States	Software,Systems design,Patent analysis, ...[+2]	patent citation: 155
58	OmniVision Technologies, Inc.	California, United States	Semiconductor,Image sensor,Digital imaging, ...[+2]	patent citation: 151
59	Ensurge Micropower ASA	California, United States	Near field communication,Digital marketing,Printed electronics, ...[+2]	patent citation: 147
60	Versum Materials US LLC	Pennsylvania, United States	Sanitation,SOAP	patent citation: 142
61	Infineon Technologies North America Corp.	California, United States	Semiconductor,Electronic component,Electronics	patent citation: 141
62	Apple, Inc.	California, United States	Software,Computer hardware,Peripheral, ...[+2]	patent citation: 137
63	Advanced Analogic Technologies, Inc.	New Mexico, United States	Semiconductor,Electronics,Power management, ...[+2]	patent citation: 134
64	Beamreach Solar, Inc.	California, United States	Building-integrated photovoltaics,Crystalline silicon,Environmental engineering, ...[+2]	patent citation: 130
65	SanDisk 3D LLC	California, United States	Peripheral,Electronics,Computer hardware	patent citation: 123
66	Clarient, Inc.	California, United States	Health care,Companion diagnostic,Standard of care, ...[+2]	patent citation: 120
67	Sundisk Corp.	California, United States	Peripheral,Information technology management,Graphics processing unit	patent citation: 117
68	Xerox Holdings Corp.	Connecticut, United States	Computer hardware,Software,Digital document, ...[+2]	patent citation: 115
69	Xerox Corp.	Connecticut, United States	Computer hardware,Electronics,Product group, ...[+2]	patent citation: 115
70	Satco Products, Inc.	Tennessee, United States	Electronics,Bulb,Nightlight, ...[+2]	patent citation: 115
71	3D Robotics, Inc.	California, United States	Robotics,Data analysis,Point cloud, ...[+2]	patent citation: 114
72	Foveon, Inc.	California, United States	Image sensor,Digital photography,Photography, ...[+2]	patent citation: 110
73	Morgan Advanced Ceramics, Inc.	California, United States	Carbon,Electronics	patent citation: 106
74	CoreTek, Inc.	Massachusetts, United States	Wavelength,Optical communication,Telecommunications, ...[+2]	patent citation: 98
75	StarVox Communications, Inc.	California, United States	Telecommunications	patent citation: 91
76	United Solar Systems Corp.	Michigan, United States	Solar cell,Semiconductor,Amorphous silicon, ...[+2]	patent citation: 88
77	BH Electronics, Inc.	Tennessee, United States	Electronics,Electronic component,Semiconductor, ...[+2]	patent citation: 86
78	Dow Silicones Corp.	Michigan, United States	Silicone,Synthetic rubber,Chemical engineering, ...[+2]	patent citation: 83
79	Micron Semiconductor, Inc.	United States		patent citation: 83
80	Atmel Corp.	California, United States	Semiconductor,Microcontroller,Industrial engineering, ...[+2]	patent citation: 82
81	Rambus, Inc.	California, United States	Semiconductor,Architecture,Memory architecture, ...[+2]	patent citation: 74
82	Nayna Networks, Inc.	California, United States	Telecommunications,Broadband,Wireless	patent citation: 70
83	IXYS LLC	Arkansas, United States	Semiconductor,Electronics,Transistor, ...[+2]	patent citation: 69
84	Palo Alto Research Center, Inc.	California, United States	Internet of Things,Electronics,Intellectual property, ...[+2]	patent citation: 66
85	Newport Laboratories, Inc.	Minnesota, United States	Pharmacy,Medicine	patent citation: 63
86	SC Fluids, Inc.	New Hampshire, United States		patent citation: 62
87	Accent Optical Technologies, Inc.	Oregon, United States	Semiconductor,Wireless,Overlay, ...[+2]	patent citation: 61
88	Agere Systems LLC	Texas, United States	Semiconductor,Network processor,Vertical-cavity surface-emitting laser, ...[+2]	patent citation: 61
89	Lumentum Operations LLC	California, United States	Laser,Advanced manufacturing,Telecommunications, ...[+2]	patent citation: 60
90	Rockwell International Corp.	Wisconsin, United States	Automation,Computer hardware,Electronics	patent citation: 59
91	Micro Lithography, Inc.	California, United States	Industrial engineering,Process variable,Lithography, ...[+1]	patent citation: 58
92	Tessera, Inc.	California, United States	Semiconductor,Electronic component	patent citation: 58
93	CTU of Delaware, Inc.	Texas, United States		patent citation: 58
94	National Semiconductor Corp.	Texas, United States	Semiconductor,Touchscreen,Adaptive voltage scaling, ...[+2]	patent citation: 55
95	Hanger Solutions LLC	United States		patent citation: 48
96	Amkor Technology, Inc.	Arizona, United States	Semiconductor,Electronics,Wireless, ...[+2]	patent citation: 46
97	PDF Solutions, Inc.	California, United States	Software,Semiconductor,Systems design, ...[+2]	patent citation: 46
98	SolAero Technologies Corp.	New Mexico, United States	Manufacturing capability,Solar cell,Radiation, ...[+2]	patent citation: 46
99	Los Alamos National Security LLC	New Mexico, United States	National security	patent citation: 41
100	Meta Platforms, Inc.	California, United States	Broadcasting,Publishing,Pre-money valuation, ...[+2]	patent citation: 40