Top 100 Key Players companies in Photomask by Most Patent Filings in the United States in 2019 – Discovery

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1	Fujitsu Microelectronics America, Inc.	California, United States	Semiconductor,Microelectronics,Electronic component, ...[+2]	Patent: 577
2	Micron Technology, Inc.	Idaho, United States	Semiconductor,Computer hardware,Solid-state drive, ...[+2]	Patent: 409
3	GlobalFoundries U.S., Inc.	New York, United States	Semiconductor,Foundry,Electronics, ...[+2]	Patent: 400
4	International Business Machines Corp.	New York, United States	Software,Computer hardware,Enterprise software, ...[+2]	Patent: 367
5	KLA Corp.	California, United States	Semiconductor,Computer hardware,Electronics, ...[+2]	Patent: 165
6	KLA-Tencor Technologies Corp.	California, United States		Patent: 165
7	Applied Materials, Inc.	California, United States	Semiconductor,Electronics,Chemical-mechanical planarization, ...[+2]	Patent: 127
8	Rohm & Haas Electronic Materials LLC	Massachusetts, United States	Semiconductor,Lithography,Computer hardware, ...[+2]	Patent: 114
9	Intel Corp.	California, United States	Semiconductor,Software,Computer hardware, ...[+2]	Patent: 103
10	SanDisk Technologies LLC	Texas, United States		Patent: 71
11	Semiconductor Components Industries LLC	Arizona, United States	Semiconductor,Transistor,Image sensor, ...[+2]	Patent: 65
12	SanDisk 3D LLC	California, United States	Peripheral,Electronics,Computer hardware	Patent: 55
13	Chartered Semiconductor Manufacturing, Inc.	California, United States	Semiconductor,Electronic component,Semiconductor device	Patent: 47
14	D2S, Inc.	California, United States	Software,Lithography,Semiconductor, ...[+2]	Patent: 46
15	Clarient, Inc.	California, United States	Health care,Companion diagnostic,Standard of care, ...[+2]	Patent: 44
16	AZ Electronic Materials USA Corp.	New Jersey, United States	Semiconductor,Medical imaging,Mobile phone, ...[+1]	Patent: 40
17	Freescale Semiconductor, Inc.	Texas, United States	Semiconductor,Industrial engineering,Automotive engineering, ...[+2]	Patent: 39
18	Monolithic 3D, Inc.	California, United States	Software,Systems design,Patent analysis, ...[+2]	Patent: 39
19	Celanese Corp.	Texas, United States	Polymer,Synthetic rubber,Chemical engineering, ...[+2]	Patent: 31
20	Tessera Advanced Technologies, Inc.	California, United States	Electronics,Miniaturization,Computer hardware, ...[+2]	Patent: 30
21	U.S. Philips Corp.	Pennsylvania, United States		Patent: 30
22	Hitachi High-Tech Corp.	Illinois, United States	Semiconductor,Electronics,Microscope, ...[+2]	Patent: 28
23	Round Rock Research LLC	New York, United States	Transistor,Semiconductor device fabrication,Semiconductor	Patent: 27
24	Atmel Corp.	California, United States	Semiconductor,Microcontroller,Industrial engineering, ...[+2]	Patent: 24
25	Westinghouse Electric Co. LLC	Pennsylvania, United States	Nuclear power plant,Pressurized water reactor,Power transmission, ...[+2]	Patent: 24
26	3M Innovative Properties Co.	Minnesota, United States	Intellectual property,Product design	Patent: 24
27	General Semiconductor, Inc.	New York, United States	Semiconductor,Transistor,Diode, ...[+2]	Patent: 22
28	NXP USA, Inc.	Texas, United States	Semiconductor,Resistor,Electron, ...[+2]	Patent: 22
29	AT&T, Inc.	Texas, United States	Wireless,Telecommunications,Mobile device, ...[+2]	Patent: 20
30	Deca Technologies, Inc.	Arizona, United States	Semiconductor,Information technology consulting,Wafer-level packaging, ...[+2]	Patent: 20
31	AT&T IPM Corp.	United States		Patent: 20
32	Eastman Kodak Co.	New York, United States	3D printing,Photography,Digital media, ...[+2]	Patent: 19
33	QUALCOMM, Inc.	California, United States	Telecommunications,Wireless,Mobile device, ...[+2]	Patent: 18
34	Toppan Photomasks, Inc.	Texas, United States	Semiconductor,Photomask,Nanotechnology, ...[+2]	Patent: 18
35	Sundisk Corp.	California, United States	Peripheral,Information technology management,Graphics processing unit	Patent: 18
36	Tessera, Inc.	California, United States	Semiconductor,Electronic component	Patent: 15
37	Wolfspeed, Inc.	North Carolina, United States	Semiconductor,Wireless,Electric light, ...[+2]	Patent: 14
38	Cypress Semiconductor Corp.	California, United States	Semiconductor,Product design,Industrial engineering, ...[+2]	Patent: 14
39	Lucent Technologies, Inc.	New Jersey, United States	Software,Telecommunications,Private network, ...[+2]	Patent: 14
40	Synopsys, Inc.	California, United States	Software,Information technology consulting,Electronic design automation, ...[+2]	Patent: 13
41	Microchip Technology, Inc.	Arizona, United States	Semiconductor,Wireless,Automotive engineering, ...[+2]	Patent: 13
42	Beamreach Solar, Inc.	California, United States	Building-integrated photovoltaics,Crystalline silicon,Environmental engineering, ...[+2]	Patent: 13
43	Electroninks, Inc.	Texas, United States	Electronics,Industrial engineering	Patent: 13
44	Lam Research Corp.	California, United States	Semiconductor,Wafer fabrication,Electronic component, ...[+2]	Patent: 11
45	OmniVision Technologies, Inc.	California, United States	Semiconductor,Image sensor,Digital imaging, ...[+2]	Patent: 11
46	PerkinElmer LLC	Massachusetts, United States	Environmental health,Food supply,Computer hardware, ...[+2]	Patent: 11
47	Gemfire Corp.	California, United States	Semiconductor,Telecommunications,Manufacturing capability, ...[+2]	Patent: 11
48	Hughes Aircraft Co.	California, United States	Electronic systems,Aerospace,National security	Patent: 11
49	Dow Corning Wright	United States		Patent: 11
50	Google LLC	California, United States	Advertising,Enterprise software,Search engine, ...[+2]	Patent: 10
51	Bell Laboratories, Inc.	Wisconsin, United States	Rodenticide,Agriculture,Chemical engineering, ...[+2]	Patent: 10
52	Eaton-Optimetrix, Inc.	Ohio, United States	Semiconductor,Electronics	Patent: 10
53	Apple, Inc.	California, United States	Software,Computer hardware,Peripheral, ...[+2]	Patent: 9
54	Western Digital Corp.	California, United States	Computer hardware,Navigation system,Software, ...[+2]	Patent: 9
55	Xilinx, Inc.	California, United States	Software,Computer hardware,Semiconductor, ...[+2]	Patent: 9
56	Semitool, Inc.	United States	Semiconductor,Computer hardware,Electronics, ...[+2]	Patent: 9
57	Ensurge Micropower ASA	California, United States	Near field communication,Digital marketing,Printed electronics, ...[+2]	Patent: 8
58	Locomotive Specialists, Inc.	Utah, United States	Wireless	Patent: 8
59	FUJIFILM Electronic Materials USA, Inc.	Rhode Island, United States	Semiconductor,Photoresist,Electronic component, ...[+1]	Patent: 8
60	Western Digital Technologies, Inc.	California, United States	Computer hardware,Peripheral,Electronics, ...[+2]	Patent: 8
61	Infineon Technologies North America Corp.	California, United States	Semiconductor,Electronic component,Electronics	Patent: 8
62	Western Electric Co., Inc.	Ohio, United States	Telecommunications	Patent: 8
63	Versum Materials US LLC	Pennsylvania, United States	Sanitation,SOAP	Patent: 8
64	CTU of Delaware, Inc.	Texas, United States		Patent: 8
65	Xerox Holdings Corp.	Connecticut, United States	Computer hardware,Software,Digital document, ...[+2]	Patent: 7
66	Xerox Corp.	Connecticut, United States	Computer hardware,Electronics,Product group, ...[+2]	Patent: 7
67	National Semiconductor Corp.	Texas, United States	Semiconductor,Touchscreen,Adaptive voltage scaling, ...[+2]	Patent: 7
68	Raytheon Co.	Massachusetts, United States	Missile,National security,Aerospace, ...[+2]	Patent: 6
69	RPX Corp.	California, United States	Patent portfolio,Semiconductor,E-commerce, ...[+2]	Patent: 6
70	ATI Technologies ULC	California, United States	Semiconductor,Graphics processing unit,Chipset, ...[+1]	Patent: 6
71	Pixelligent Technologies LLC	United States	Solid-state lighting,Materials science,Transparent display, ...[+2]	Patent: 6
72	Innova Dynamics, Inc.	California, United States	Electronics,Polymer,Nanostructure, ...[+2]	Patent: 6
73	Optical Research Associates	California, United States	Software,Optical engineering,Solid-state lighting, ...[+2]	Patent: 6
74	Ovonyx Memory Technology LLC	United States		Patent: 6
75	NCR Corp.	United States	Software,Peripheral,Self-service, ...[+2]	Patent: 5
76	The Boeing Co.	Illinois, United States	Aerospace,Satellite,National security, ...[+2]	Patent: 5
77	Eastman Chemical Co.	Tennessee, United States	Chemical engineering,Materials science,Health care, ...[+2]	Patent: 5
78	PDF Solutions, Inc.	California, United States	Software,Semiconductor,Systems design, ...[+2]	Patent: 5
79	Kopin Corp.	Massachusetts, United States	Semiconductor,Wearable technology,Golden-i, ...[+2]	Patent: 5
80	Advanced Analogic Technologies, Inc.	New Mexico, United States	Semiconductor,Electronics,Power management, ...[+2]	Patent: 5
81	Palo Alto Research Center, Inc.	California, United States	Internet of Things,Electronics,Intellectual property, ...[+2]	Patent: 5
82	WaferTech LLC	Washington, United States	Semiconductor,Electronics,Electronic component, ...[+1]	Patent: 5
83	Etec Systems, Inc.	California, United States	Semiconductor,Electronic component	Patent: 5
84	Micro Lithography, Inc.	California, United States	Industrial engineering,Process variable,Lithography, ...[+1]	Patent: 5
85	STARTUP Saphlux, Inc.	Connecticut, United States	Semiconductor,Electronics,Fixture, ...[+2]	Patent: 5
86	Agere Systems LLC	Texas, United States	Semiconductor,Network processor,Vertical-cavity surface-emitting laser, ...[+2]	Patent: 5
87	Sophia Wireless, Inc.	Virginia, United States	3D printing,Customer relationship management,Mobile device, ...[+2]	Patent: 5
88	NanoNexus, Inc.	California, United States	Electronics,Contactor,Computer hardware	Patent: 5
89	Fujifilm Dimatix, Inc.	New York, United States	Advertising,Machine learning,Motion capture, ...[+2]	Patent: 5
90	Qualcomm MEMS Technologies, Inc.	California, United States	Electronic visual display,Mechanical system,Global Positioning System, ...[+2]	Patent: 5
91	Getner Foundation LLC	Delaware, United States		Patent: 5
92	Meta Platforms, Inc.	California, United States	Broadcasting,Publishing,Pre-money valuation, ...[+2]	Patent: 4
93	Viavi Solutions, Inc.	California, United States	Computer hardware,Broadband,Optical coating, ...[+2]	Patent: 4
94	Azenta, Inc.	Massachusetts, United States	Semiconductor,Biology,Industrial engineering, ...[+2]	Patent: 4
95	Dow Silicones Corp.	Michigan, United States	Silicone,Synthetic rubber,Chemical engineering, ...[+2]	Patent: 4
96	Brewer Science, Inc.	Missouri, United States	Semiconductor,Wearable technology,Computer hardware, ...[+2]	Patent: 4
97	Energy Conversion Devices, Inc.	Michigan, United States	Energy conversion devices,Computer hardware,Tort, ...[+2]	Patent: 4
98	Satco Products, Inc.	Tennessee, United States	Electronics,Bulb,Nightlight, ...[+2]	Patent: 4
99	MoSys, Inc.	California, United States	Semiconductor,Memristor,Computer hardware, ...[+2]	Patent: 4
100	Skorpios Technologies, Inc.	New Mexico, United States	Semiconductor,Wellness Programs,Photodetector, ...[+2]	Patent: 4