Top 100 Key Players companies in Photomask by Most Patent Filings in the world in 2018 – Discovery

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1	Semiconductor Energy Laboratory Co., Ltd.	Kanagawa, Japan	Semiconductor,Transistor,Semiconductor device, ...[+2]	Patent: 3,455
2	Samsung Electronics Co., Ltd.	South Korea	Computer hardware,Semiconductor,Software, ...[+2]	Patent: 811
3	TOSHIBA Corp.	Tokyo, Japan	Semiconductor,Computer hardware,Electronics, ...[+2]	Patent: 742
4	Hitachi Ltd.	Tokyo, Japan	Elevator,Electrical equipment,Electric motor, ...[+2]	Patent: 726
5	Matsushita Electronics Corp.	Osaka, Japan	Electronics,Computer hardware,DVD player, ...[+2]	Patent: 595
6	Fujitsu Ltd.	Tokyo, Japan	Cloud computing,Enterprise software,Information technology management, ...[+2]	Patent: 577
7	Fujitsu Microelectronics America, Inc.	California, United States	Semiconductor,Microelectronics,Electronic component, ...[+2]	Patent: 577
8	Renesas Electronics Corp.	Tokyo, Japan	Semiconductor,Microcontroller,Electronics, ...[+2]	Patent: 525
9	Micron Technology, Inc.	Idaho, United States	Semiconductor,Computer hardware,Solid-state drive, ...[+2]	Patent: 409
10	GlobalFoundries U.S., Inc.	New York, United States	Semiconductor,Foundry,Electronics, ...[+2]	Patent: 400
11	Mitsubishi Electric Engineering Co., Ltd.	Tokyo, Japan		Patent: 371
12	Sharp Corp.	Osaka, Japan	Computer hardware,Electronics,Telecommunications, ...[+2]	Patent: 370
13	International Business Machines Corp.	New York, United States	Software,Computer hardware,Enterprise software, ...[+2]	Patent: 367
14	Canon, Inc.	Tokyo, Japan	Computer hardware,Software,Computer vision, ...[+2]	Patent: 274
15	Seiko Epson Corp.	Nagano, Japan	Wearable technology,Projector,Electronics, ...[+2]	Patent: 274
16	Sony Group Corp.	Tokyo, Japan	Computer hardware,Software,Music, ...[+2]	Patent: 231
17	United Microelectronics Corp.	Taiwan Province, China	Semiconductor,Electronics,CMOS, ...[+2]	Patent: 188
18	Infineon Technologies AG	Bayern, Germany	Semiconductor,Electronics,Efficient energy use, ...[+2]	Patent: 167
19	KLA Corp.	California, United States	Semiconductor,Computer hardware,Electronics, ...[+2]	Patent: 165
20	KLA-Tencor Technologies Corp.	California, United States		Patent: 165
21	HOYA Corp.	Tokyo, Japan	Computer hardware,Software,Intraocular lens, ...[+2]	Patent: 156
22	STARTUP KIOXIA Corp.	Tokyo, Japan	Computer hardware,Solid-state,Flash memory, ...[+2]	Patent: 144
23	Fuji Electronics Co., Ltd.	Tokyo, Japan	Semiconductor,Microcomputer,Electronic component, ...[+2]	Patent: 139
24	Fuji Electric FA Components & SYstems Co., Ltd.	Tokyo, Japan	Semiconductor,Industrial engineering,Smart grid, ...[+2]	Patent: 139
25	Applied Materials, Inc.	California, United States	Semiconductor,Electronics,Chemical-mechanical planarization, ...[+2]	Patent: 127
26	Shin-Etsu Chemical Co., Ltd.	Tokyo, Japan	Silicone,Semiconductor,Chemical engineering, ...[+2]	Patent: 124
27	Sumitomo Electric Industries Ltd.	Osaka, Japan	Electronics,Optical fiber,Optical fiber cable, ...[+2]	Patent: 116
28	Sumitomo Electric	Osaka, Japan	Optical fiber,Electronics,Optical fiber cable	Patent: 116
29	Koninklijke Philips NV	Noord-Holland, Netherlands	Health care,Wellness Programs,Medical imaging, ...[+2]	Patent: 115
30	Rohm & Haas Electronic Materials LLC	Massachusetts, United States	Semiconductor,Lithography,Computer hardware, ...[+2]	Patent: 114
31	SANYO Electric Co., Ltd.	Osaka, Japan	Semiconductor,Computer hardware,Software, ...[+2]	Patent: 113
32	Dai Nippon Printing Co., Ltd.	Tokyo, Japan	Electronics,Publishing,Publication, ...[+2]	Patent: 104
33	Dainippon Printing Co. Ltd.	Japan		Patent: 104
34	Intel Corp.	California, United States	Semiconductor,Software,Computer hardware, ...[+2]	Patent: 103
35	Tokyo Electron Ltd.	Tokyo, Japan	Semiconductor,Power transmission,Flat panel display, ...[+2]	Patent: 102
36	Toppan, Inc.	Tokyo, Japan	Publishing,Semiconductor,Electronics, ...[+2]	Patent: 88
37	FUJIFILM Corp.	Tokyo, Japan	Photography,Medical imaging,Computer hardware, ...[+2]	Patent: 88
38	Socionext, Inc.	Kyoto, Japan	Quality of experience,Semiconductor device fabrication,Semiconductor, ...[+2]	Patent: 87
39	Dongbu Electronics Co. Ltd.	South Korea	Semiconductor,Resistor,Microprocessor, ...[+2]	Patent: 84
40	Nichia Corp.	Tokushima, Japan	Laser diode,Semiconductor,LED lamp, ...[+2]	Patent: 81
41	Fujitsu Semiconductor Ltd.	Kanagawa, Japan	Semiconductor,Electronic component,Microcontroller, ...[+2]	Patent: 81
42	Showa Denko Materials Co., Ltd.	Tokyo, Japan	Semiconductor,Carbon product,Efficient energy use, ...[+2]	Patent: 77
43	Nikon Corp.	Tokyo, Japan	Microscope,Photography,Motion capture, ...[+2]	Patent: 74
44	SanDisk Technologies LLC	Texas, United States		Patent: 71
45	Ricoh Co., Ltd.	Tokyo, Japan	Digital media,Data visualization,Thermal paper, ...[+2]	Patent: 68
46	Semiconductor Manufacturing International	Shanghai Shi, China	Semiconductor,Computer hardware,Integrated circuit, ...[+2]	Patent: 67
47	Nanya Technology Corp.	Taiwan Province, China	Semiconductor,Product design,Industrial engineering, ...[+2]	Patent: 65
48	Semiconductor Components Industries LLC	Arizona, United States	Semiconductor,Transistor,Image sensor, ...[+2]	Patent: 65
49	Seiko Instruments, Inc.	Chiba, Japan	Semiconductor,Electronic component,Optical fiber connector, ...[+2]	Patent: 64
50	Citizen Watch Co., Ltd.	Tokyo, Japan	Quartz,Semiconductor,Electronics, ...[+2]	Patent: 63
51	TOKYO OHKA KOGYO CO., LTD.	Kanagawa, Japan	Photoresist,Semiconductor,Petrochemical, ...[+2]	Patent: 63
52	ChangXin Memory Technologies, Inc.	Anhui Sheng, China	Tariff	Patent: 63
53	Polaris Innovations Ltd.	DU, IE	Package on package,Multi-chip module,Wafer-level packaging, ...[+2]	Patent: 60
54	Siemens AG	Bayern, Germany	Power transmission,Electronics,Turbine, ...[+2]	Patent: 56
55	Siemens SA	Madrid, Spain	Scientific Control,Telecommunications,Turbine, ...[+1]	Patent: 56
56	Macronix International Co., Ltd.	Taiwan Province, China	Semiconductor,Read-only memory,Non-volatile memory, ...[+2]	Patent: 55
57	SanDisk 3D LLC	California, United States	Peripheral,Electronics,Computer hardware	Patent: 55
58	Chartered Semiconductor Manufacturing, Inc.	California, United States	Semiconductor,Electronic component,Semiconductor device	Patent: 47
59	D2S, Inc.	California, United States	Software,Lithography,Semiconductor, ...[+2]	Patent: 46
60	Clarient, Inc.	California, United States	Health care,Companion diagnostic,Standard of care, ...[+2]	Patent: 44
61	NEC Electronics Corp.	Kanagawa, Japan	Electronics,Computer hardware,Semiconductor, ...[+2]	Patent: 43
62	IBIDEN Co., Ltd.	Gifu, Japan	Electronics,Semiconductor,Asphalt, ...[+2]	Patent: 41
63	Hitachi Kokusai Electric, Inc.	Saga, Japan	Semiconductor,Electronics,Thin film, ...[+2]	Patent: 41
64	ASML Netherlands BV	Drenthe, Netherlands	Automation,Manufacturing engineering,Industrial engineering, ...[+2]	Patent: 41
65	AZ Electronic Materials USA Corp.	New Jersey, United States	Semiconductor,Medical imaging,Mobile phone, ...[+1]	Patent: 40
66	Freescale Semiconductor, Inc.	Texas, United States	Semiconductor,Industrial engineering,Automotive engineering, ...[+2]	Patent: 39
67	Monolithic 3D, Inc.	California, United States	Software,Systems design,Patent analysis, ...[+2]	Patent: 39
68	STMicroelectronics SA	Île-de-France, France	Semiconductor,Semiconductor chip,Electronic component, ...[+1]	Patent: 38
69	Kao Corp. SA	Cataluña, Spain	Chemical engineering	Patent: 38
70	Hitachi Ulsi Systems Co. Ltd.	Tokyo, Japan	Semiconductor,Automation,Manufacturing engineering, ...[+2]	Patent: 37
71	Chunghwa Picture Tubes Ltd.	Taiwan Province, China	Electronics,Electronic visual display,Liquid-crystal display, ...[+2]	Patent: 36
72	Nitto Denko Corp.	Osaka, Japan	Semiconductor,Product design,Adhesive, ...[+2]	Patent: 35
73	AGC	Tokyo, Japan	Fluorine,Glazing,Chemical engineering, ...[+2]	Patent: 35
74	Asahi Fiber Glass Co., Ltd.	Tokyo, Japan	Glass wool,Thermal insulation,Fiber, ...[+2]	Patent: 35
75	Asahi Kasei Corp.	Tokyo, Japan	Chemical engineering,Petrochemical,Fertilizer, ...[+2]	Patent: 34
76	Nihon Denso KK	Saitama, Japan	Manufacturing engineering,Mechanical engineering	Patent: 34
77	Shanghai Huali Microelectronics Corp.	Shandong Sheng, China	Microelectronics,Tariff,Food industry	Patent: 33
78	Winbond Electronics Corp.	Taiwan Province, China	Flash memory,Electronics,Computer hardware, ...[+2]	Patent: 32
79	Hyundai MicroElectronics Co., Ltd.	South Korea	Microelectronics,Computer hardware,Electronics, ...[+2]	Patent: 32
80	Celanese Corp.	Texas, United States	Polymer,Synthetic rubber,Chemical engineering, ...[+2]	Patent: 31
81	Vanguard International Semiconductor Corp.	Taiwan Province, China	Semiconductor,Integrated circuit,Electronic component, ...[+1]	Patent: 31
82	Toray Industries, Inc.	Tokyo, Japan	Fiber,Textile,Textile (markup language), ...[+2]	Patent: 30
83	LG Display Co., Ltd.	South Korea	Electronics,Automotive engineering,Electronic visual display, ...[+2]	Patent: 30
84	Elpida Memory, Inc.	Tokyo, Japan	Semiconductor,Dynamic random-access memory,Resistor, ...[+2]	Patent: 30
85	Tessera Advanced Technologies, Inc.	California, United States	Electronics,Miniaturization,Computer hardware, ...[+2]	Patent: 30
86	U.S. Philips Corp.	Pennsylvania, United States		Patent: 30
87	Hitachi High-Tech Corp.	Illinois, United States	Semiconductor,Electronics,Microscope, ...[+2]	Patent: 28
88	Infineon Technologies Austria AG	Austria	Semiconductor,Microelectronics,Wafer, ...[+1]	Patent: 28
89	Round Rock Research LLC	New York, United States	Transistor,Semiconductor device fabrication,Semiconductor	Patent: 27
90	Carl Zeiss AG	Germany	Semiconductor,Optoelectronics,Electronics, ...[+2]	Patent: 26
91	Floadia Corp.	Tokyo, Japan	Semiconductor,Non-volatile memory,Flash memory, ...[+2]	Patent: 26
92	Stanley Electric Co., Ltd.	Tokyo, Japan	Headlamp,Automotive engineering,Backlight, ...[+2]	Patent: 25
93	Panasonic Liquid Crystal Display Co., Ltd.	Hyogo, Japan	Liquid-crystal display,Electronics	Patent: 25
94	Atmel Corp.	California, United States	Semiconductor,Microcontroller,Industrial engineering, ...[+2]	Patent: 24
95	Westinghouse Electric Co. LLC	Pennsylvania, United States	Nuclear power plant,Pressurized water reactor,Power transmission, ...[+2]	Patent: 24
96	Guizhou Yihua Co. Ltd.	Guizhou Sheng, China	Fertilizer,Agriculture,Chemical engineering	Patent: 24
97	3M Innovative Properties Co.	Minnesota, United States	Intellectual property,Product design	Patent: 24
98	MagnaChip Semiconductor Ltd.	Seoul-t'ukpyolsi, South Korea	Semiconductor,Electronics,Software, ...[+2]	Patent: 23
99	GLOBALFOUNDRIES Singapore Pte Ltd.	Central Singapore, Singapore	Semiconductor,Semiconductor wafer fabrication,Electronic component	Patent: 23
100	Mitsui Chemistry Joint-stock Co.	Japan		Patent: 23