Top 100 Key Players companies in Memory by Most Patent Filings in the world in 2022 – Discovery

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1	Samsung Electronics Co., Ltd.	South Korea	Computer hardware,Semiconductor,Software, ...[+2]	Patent: 12,536
2	TOSHIBA Corp.	Tokyo, Japan	Semiconductor,Computer hardware,Electronics, ...[+2]	Patent: 10,263
3	STARTUP KIOXIA Corp.	Tokyo, Japan	Computer hardware,Solid-state,Flash memory, ...[+2]	Patent: 5,860
4	Mitsubishi Electric Engineering Co., Ltd.	Tokyo, Japan		Patent: 4,869
5	Fujitsu Ltd.	Tokyo, Japan	Cloud computing,Enterprise software,Information technology management, ...[+2]	Patent: 4,031
6	Fujitsu Microelectronics America, Inc.	California, United States	Semiconductor,Microelectronics,Electronic component, ...[+2]	Patent: 4,031
7	Hitachi Ltd.	Tokyo, Japan	Elevator,Electrical equipment,Electric motor, ...[+2]	Patent: 3,954
8	Renesas Electronics Corp.	Tokyo, Japan	Semiconductor,Microcontroller,Electronics, ...[+2]	Patent: 3,350
9	Matsushita Electronics Corp.	Osaka, Japan	Electronics,Computer hardware,DVD player, ...[+2]	Patent: 3,023
10	Sony Group Corp.	Tokyo, Japan	Computer hardware,Software,Music, ...[+2]	Patent: 1,794
11	Sharp Corp.	Osaka, Japan	Computer hardware,Electronics,Telecommunications, ...[+2]	Patent: 1,599
12	Socionext, Inc.	Kyoto, Japan	Quality of experience,Semiconductor device fabrication,Semiconductor, ...[+2]	Patent: 1,209
13	Micron Technology, Inc.	Idaho, United States	Semiconductor,Computer hardware,Solid-state drive, ...[+2]	Patent: 1,188
14	Infineon Technologies AG	Bayern, Germany	Semiconductor,Electronics,Efficient energy use, ...[+2]	Patent: 1,127
15	NEC Electronics Corp.	Kanagawa, Japan	Electronics,Computer hardware,Semiconductor, ...[+2]	Patent: 934
16	Seiko Epson Corp.	Nagano, Japan	Wearable technology,Projector,Electronics, ...[+2]	Patent: 925
17	International Business Machines Corp.	New York, United States	Software,Computer hardware,Enterprise software, ...[+2]	Patent: 798
18	Siemens AG	Bayern, Germany	Power transmission,Electronics,Turbine, ...[+2]	Patent: 714
19	Siemens SA	Madrid, Spain	Scientific Control,Telecommunications,Turbine, ...[+1]	Patent: 714
20	Elpida Memory, Inc.	Tokyo, Japan	Semiconductor,Dynamic random-access memory,Resistor, ...[+2]	Patent: 681
21	Winbond Electronics Corp.	Taiwan Province, China	Flash memory,Electronics,Computer hardware, ...[+2]	Patent: 651
22	Fujitsu Semiconductor Ltd.	Kanagawa, Japan	Semiconductor,Electronic component,Microcontroller, ...[+2]	Patent: 632
23	Hyundai MicroElectronics Co., Ltd.	South Korea	Microelectronics,Computer hardware,Electronics, ...[+2]	Patent: 585
24	Polaris Innovations Ltd.	DU, IE	Package on package,Multi-chip module,Wafer-level packaging, ...[+2]	Patent: 577
25	Semiconductor Energy Laboratory Co., Ltd.	Kanagawa, Japan	Semiconductor,Transistor,Semiconductor device, ...[+2]	Patent: 562
26	SANYO Electric Co., Ltd.	Osaka, Japan	Semiconductor,Computer hardware,Software, ...[+2]	Patent: 522
27	Toshiba Microelectronics Corp.	Kanagawa, Japan		Patent: 502
28	PS4 Luxco SARL	Luxembourg, Luxembourg		Patent: 492
29	United Microelectronics Corp.	Taiwan Province, China	Semiconductor,Electronics,CMOS, ...[+2]	Patent: 439
30	STMicroelectronics SA	Île-de-France, France	Semiconductor,Semiconductor chip,Electronic component, ...[+1]	Patent: 415
31	STARTUP Longitude Licensing Ltd.	Dublin, Ireland	Intellectual property,Longitude,Patent application, ...[+2]	Patent: 381
32	Macronix International Co., Ltd.	Taiwan Province, China	Semiconductor,Read-only memory,Non-volatile memory, ...[+2]	Patent: 370
33	ChangXin Memory Technologies, Inc.	Anhui Sheng, China	Tariff	Patent: 369
34	LG Semicon Co. Ltd.	Seoul, South Korea	Semiconductor,Windows CE,Operating system, ...[+2]	Patent: 331
35	Dongbu Electronics Co. Ltd.	South Korea	Semiconductor,Resistor,Microprocessor, ...[+2]	Patent: 329
36	Qimonda AG	Germany	Patent licensing,System in package,Dynamic random-access memory, ...[+2]	Patent: 324
37	Hitachi Ulsi Systems Co. Ltd.	Tokyo, Japan	Semiconductor,Automation,Manufacturing engineering, ...[+2]	Patent: 310
38	Intel Corp.	California, United States	Semiconductor,Software,Computer hardware, ...[+2]	Patent: 305
39	Ricoh Co., Ltd.	Tokyo, Japan	Digital media,Data visualization,Thermal paper, ...[+2]	Patent: 285
40	Semiconductor Manufacturing International	Shanghai Shi, China	Semiconductor,Computer hardware,Integrated circuit, ...[+2]	Patent: 260
41	Mosaid Technologies, Inc.	Ontario, Canada	Intellectual property,Semiconductor,Software development, ...[+1]	Patent: 246
42	Zeno Semiconductor, Inc.	California, United States	Transistor,Semiconductor device fabrication,Semiconductor	Patent: 200
43	Advantest Corp.	Tokyo, Japan	Semiconductor,Mechanical engineering,Product design, ...[+2]	Patent: 191
44	Seiko Instruments, Inc.	Chiba, Japan	Semiconductor,Electronic component,Optical fiber connector, ...[+2]	Patent: 178
45	Longitude Semiconductor SARL	Luxembourg		Patent: 177
46	Cypress Semiconductor Corp.	California, United States	Semiconductor,Product design,Industrial engineering, ...[+2]	Patent: 165
47	MagnaChip Semiconductor Ltd.	Seoul-t'ukpyolsi, South Korea	Semiconductor,Electronics,Software, ...[+2]	Patent: 157
48	Canon, Inc.	Tokyo, Japan	Computer hardware,Software,Computer vision, ...[+2]	Patent: 146
49	Novuton Technology Corp. Japan	Kyoto, Japan	Semiconductor,Laser diode,Integrated circuit, ...[+2]	Patent: 142
50	Fujian Jinhua Integrated Circuit Co., Ltd.	Fujian Sheng, China	Semiconductor,Tariff	Patent: 139
51	SanDisk Technologies LLC	Texas, United States		Patent: 135
52	Koninklijke Philips NV	Noord-Holland, Netherlands	Health care,Wellness Programs,Medical imaging, ...[+2]	Patent: 134
53	Shanghai Huahong Grace Semiconductor Manufacturing Corp.	Shanghai Shi, China	Foundry,Metal,Mining engineering, ...[+2]	Patent: 128
54	Nanya Technology Corp.	Taiwan Province, China	Semiconductor,Product design,Industrial engineering, ...[+2]	Patent: 127
55	Nihon Denso KK	Saitama, Japan	Manufacturing engineering,Mechanical engineering	Patent: 119
56	GlobalFoundries U.S., Inc.	New York, United States	Semiconductor,Foundry,Electronics, ...[+2]	Patent: 117
57	Kawasaki Steel			Patent: 112
58	Round Rock Research LLC	New York, United States	Transistor,Semiconductor device fabrication,Semiconductor	Patent: 109
59	ProMOS Technologies, Inc.	Taiwan Province, China	Semiconductor,Double data rate,Electronic component, ...[+2]	Patent: 104
60	MegaChips Corp.	Osaka, Japan	Semiconductor,Software,Electronic visual display, ...[+2]	Patent: 101
61	Sony Semiconductor Solutions Corp.	Kanagawa, Japan	Semiconductor,Image sensor,CMOS sensor, ...[+2]	Patent: 94
62	QUALCOMM, Inc.	California, United States	Telecommunications,Wireless,Mobile device, ...[+2]	Patent: 87
63	Rambus, Inc.	California, United States	Semiconductor,Architecture,Memory architecture, ...[+2]	Patent: 87
64	Netac Technology Co., Ltd.	Guangdong Sheng, China	Flash memory,Solid-state drive,System on a chip, ...[+2]	Patent: 74
65	Yamaha Corp.	Shizuoka, Japan	Audio equipment,Gasoline,Loudspeaker, ...[+2]	Patent: 73
66	Marvell Asia Pte Ltd.	Central Singapore, Singapore	Semiconductor,Microcontroller,Digital signal processing, ...[+2]	Patent: 70
67	Infineon Technologies North America Corp.	California, United States	Semiconductor,Electronic component,Electronics	Patent: 66
68	Atmel Corp.	California, United States	Semiconductor,Microcontroller,Industrial engineering, ...[+2]	Patent: 63
69	Vanguard International Semiconductor Corp.	Taiwan Province, China	Semiconductor,Integrated circuit,Electronic component, ...[+1]	Patent: 62
70	Casio Electronics Manufacturing Co., Ltd.	Saitama, Japan		Patent: 62
71	Apple, Inc.	California, United States	Software,Computer hardware,Peripheral, ...[+2]	Patent: 56
72	Floadia Corp.	Tokyo, Japan	Semiconductor,Non-volatile memory,Flash memory, ...[+2]	Patent: 56
73	Intellectual Ventures I LLC	Delaware, United States	Asset management	Patent: 56
74	Toppan, Inc.	Tokyo, Japan	Publishing,Semiconductor,Electronics, ...[+2]	Patent: 52
75	Tessera Advanced Technologies, Inc.	California, United States	Electronics,Miniaturization,Computer hardware, ...[+2]	Patent: 52
76	Tokyo Electron Ltd.	Tokyo, Japan	Semiconductor,Power transmission,Flat panel display, ...[+2]	Patent: 50
77	CTU of Delaware, Inc.	Texas, United States		Patent: 49
78	Shanghai Huali Microelectronics Corp.	Shandong Sheng, China	Microelectronics,Tariff,Food industry	Patent: 48
79	Citizen Watch Co., Ltd.	Tokyo, Japan	Quartz,Semiconductor,Electronics, ...[+2]	Patent: 47
80	Nintendo Co., Ltd.	Kyoto, Japan	Game console,Video game development,Mobile device, ...[+2]	Patent: 46
81	FUJIFILM Corp.	Tokyo, Japan	Photography,Medical imaging,Computer hardware, ...[+2]	Patent: 44
82	Spansion Japan Ltd.	Kanagawa, Japan	Semiconductor,Automation,Manufacturing engineering, ...[+2]	Patent: 44
83	AT&T, Inc.	Texas, United States	Wireless,Telecommunications,Mobile device, ...[+2]	Patent: 42
84	Western Digital Corp.	California, United States	Computer hardware,Navigation system,Software, ...[+2]	Patent: 42
85	Western Digital Technologies, Inc.	California, United States	Computer hardware,Peripheral,Electronics, ...[+2]	Patent: 42
86	AT&T IPM Corp.	United States		Patent: 42
87	Western Electric Co., Inc.	Ohio, United States	Telecommunications	Patent: 41
88	OKI Micro Design Co. Ltd.	Japan		Patent: 40
89	Honeywell Information Systems Ltd.	Lancashire, United Kingdom		Patent: 39
90	Sundisk Corp.	California, United States	Peripheral,Information technology management,Graphics processing unit	Patent: 39
91	Institute of Microelectronics of Chinese Academy of Sciences	Beijing Shi, China	Microelectronics,Chemical engineering,Electronics, ...[+2]	Patent: 38
92	Synopsys, Inc.	California, United States	Software,Information technology consulting,Electronic design automation, ...[+2]	Patent: 37
93	Semiconductor Components Industries LLC	Arizona, United States	Semiconductor,Transistor,Image sensor, ...[+2]	Patent: 36
94	Toshiba Electronic Devices & Storage Corp.	Tokyo, Japan	Semiconductor,Electronic component,Semiconductor device fabrication, ...[+2]	Patent: 36
95	Robert Bosch GmbH	Baden-Württemberg, Germany	Automotive engineering,Mechanical engineering,Electronics, ...[+2]	Patent: 35
96	Akita Electronic Systems Co., Ltd.	Akita, Japan	Semiconductor,Enterprise software,Software, ...[+2]	Patent: 34
97	Seagate Technology Unlimited Co.	California, United States	Computer hardware,Flash memory,Software, ...[+2]	Patent: 32
98	Seagate Technology LLC	California, United States	Cloud computing,Computer hardware,Electronics, ...[+2]	Patent: 32
99	Ovonyx Memory Technology LLC	United States		Patent: 32
100	LG Electronics, Inc.	South Korea	Computer hardware,Electronics,Telecommunications, ...[+2]	Patent: 30