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Top 100 Key Players companies in Memory
by Most Patent Citation in the world in 2018

The Memory top 100 is Discovery PatSnap’ annual ranking of the top 100 Most Patent Citation Memory Key Players in the world. Discovery has identified the top key players, startups & unicorns, fast-growings, news entrants in 2018, ranking from differnt perspectives, including patent filing intensity, academic research capability, news media heat. The company list is generated from various data types.

Key Players

Fast-growings

Startups & Unicorns

New Entrants

Ranking Year:

2022

2021

2020

2019

2018

Region:

Global

China

Japan

South Korea

United States

Germany

Singapore

United Kingdom

Ranking:

Most Patent Filings

Highest Patent Value

Most Sep Patents

Most Patent Citation

Most Research Publications

Most Literature Citation

Most Market Reports

Most News Heat

#
Company Name
Region
Tech Topics
Total
1
TOSHIBA Corp.
Tokyo, Japan
Semiconductor,Computer hardware,Electronics,
...[+2]
patent citation: 82,662
2
Samsung Electronics Co., Ltd.
South Korea
Computer hardware,Semiconductor,Software,
...[+2]
patent citation: 57,248
3
Renesas Electronics Corp.
Tokyo, Japan
Semiconductor,Microcontroller,Electronics,
...[+2]
patent citation: 39,755
4
Mitsubishi Electric Engineering Co., Ltd.
Tokyo, Japan
patent citation: 35,658
5
Hitachi Ltd.
Tokyo, Japan
Elevator,Electrical equipment,Electric motor,
...[+2]
patent citation: 28,585
6
Micron Technology, Inc.
Idaho, United States
Semiconductor,Computer hardware,Solid-state drive,
...[+2]
patent citation: 23,902
7
KIOXIA Corp.
Tokyo, Japan
Computer hardware,Solid-state,Flash memory,
...[+2]
patent citation: 23,050
8
Fujitsu Ltd.
Tokyo, Japan
Cloud computing,Enterprise software,Information technology management,
...[+2]
patent citation: 18,650
9
Fujitsu Microelectronics America, Inc.
California, United States
Semiconductor,Microelectronics,Electronic component,
...[+2]
patent citation: 18,650
10
Matsushita Electronics Corp.
Osaka, Japan
Electronics,Computer hardware,DVD player,
...[+2]
patent citation: 13,770
11
Sony Group Corp.
Tokyo, Japan
Computer hardware,Software,Music,
...[+2]
patent citation: 12,023
12
Sharp Corp.
Osaka, Japan
Computer hardware,Electronics,Telecommunications,
...[+2]
patent citation: 9,999
13
International Business Machines Corp.
New York, United States
Software,Computer hardware,Enterprise software,
...[+2]
patent citation: 9,507
14
NEC Electronics Corp.
Kanagawa, Japan
Electronics,Computer hardware,Semiconductor,
...[+2]
patent citation: 9,288
15
Zeno Semiconductor, Inc.
California, United States
Transistor,Semiconductor device fabrication,Semiconductor
patent citation: 8,881
16
Socionext, Inc.
Kyoto, Japan
Quality of experience,Semiconductor device fabrication,Semiconductor,
...[+2]
patent citation: 8,027
17
Longitude Licensing Ltd.
Dublin, Ireland
Intellectual property,Longitude,Patent application,
...[+2]
patent citation: 5,251
18
Polaris Innovations Ltd.
DU, IE
Package on package,Multi-chip module,Wafer-level packaging,
...[+2]
patent citation: 5,094
19
STMicroelectronics SA
Île-de-France, France
Semiconductor,Semiconductor chip,Electronic component,
...[+1]
patent citation: 4,812
20
Round Rock Research LLC
New York, United States
Transistor,Semiconductor device fabrication,Semiconductor
patent citation: 4,583
21
Elpida Memory, Inc.
Tokyo, Japan
Semiconductor,Dynamic random-access memory,Resistor,
...[+2]
patent citation: 4,542
22
Fujitsu Semiconductor Ltd.
Kanagawa, Japan
Semiconductor,Electronic component,Microcontroller,
...[+2]
patent citation: 4,528
23
SanDisk Technologies LLC
Texas, United States
patent citation: 4,407
24
Saifun Semiconductors Ltd.
HaMerkaz, Israel
Semiconductor,Non-volatile memory,Business-to-business,
...[+2]
patent citation: 4,067
25
Seiko Epson Corp.
Nagano, Japan
Wearable technology,Projector,Electronics,
...[+2]
patent citation: 3,844
26
Intel Corp.
California, United States
Semiconductor,Software,Computer hardware,
...[+2]
patent citation: 3,806
27
Macronix International Co., Ltd.
Taiwan Province, China
Semiconductor,Read-only memory,Non-volatile memory,
...[+2]
patent citation: 3,663
28
Infineon Technologies AG
Bayern, Germany
Semiconductor,Electronics,Efficient energy use,
...[+2]
patent citation: 3,477
29
GlobalFoundries U.S., Inc.
New York, United States
Semiconductor,Foundry,Electronics,
...[+2]
patent citation: 2,887
30
United Microelectronics Corp.
Taiwan Province, China
Semiconductor,Electronics,CMOS,
...[+2]
patent citation: 2,851
31
Mosaid Technologies, Inc.
Ontario, Canada
Intellectual property,Semiconductor,Software development,
...[+1]
patent citation: 2,797
32
PS4 Luxco SARL
Luxembourg, Luxembourg
patent citation: 2,782
33
LG Semicon Co. Ltd.
Seoul, South Korea
Semiconductor,Windows CE,Operating system,
...[+2]
patent citation: 2,732
34
Semiconductor Energy Laboratory Co., Ltd.
Kanagawa, Japan
Semiconductor,Transistor,Semiconductor device,
...[+2]
patent citation: 2,278
35
Longitude Semiconductor SARL
Luxembourg
patent citation: 2,057
36
Winbond Electronics Corp.
Taiwan Province, China
Flash memory,Electronics,Computer hardware,
...[+2]
patent citation: 1,991
37
Qimonda AG
Germany
Patent licensing,System in package,Dynamic random-access memory,
...[+2]
patent citation: 1,917
38
Synopsys, Inc.
California, United States
Software,Information technology consulting,Electronic design automation,
...[+2]
patent citation: 1,696
39
Ricoh Co., Ltd.
Tokyo, Japan
Digital media,Data visualization,Thermal paper,
...[+2]
patent citation: 1,629
40
Hitachi Ulsi Systems Co. Ltd.
Tokyo, Japan
Semiconductor,Automation,Manufacturing engineering,
...[+2]
patent citation: 1,602
41
Siemens AG
Bayern, Germany
Power transmission,Electronics,Turbine,
...[+2]
patent citation: 1,564
42
Siemens SA
Madrid, Spain
Scientific Control,Telecommunications,Turbine,
...[+1]
patent citation: 1,564
43
Tessera Advanced Technologies, Inc.
California, United States
Electronics,Miniaturization,Computer hardware,
...[+2]
patent citation: 1,479
44
SANYO Electric Co., Ltd.
Osaka, Japan
Semiconductor,Computer hardware,Software,
...[+2]
patent citation: 1,465
45
Intellectual Ventures I LLC
Delaware, United States
Asset management
patent citation: 1,433
46
Rambus, Inc.
California, United States
Semiconductor,Architecture,Memory architecture,
...[+2]
patent citation: 1,390
47
Toshiba Microelectronics Corp.
Kanagawa, Japan
patent citation: 1,306
48
Advantest Corp.
Tokyo, Japan
Semiconductor,Mechanical engineering,Product design,
...[+2]
patent citation: 1,297
49
Cypress Semiconductor Corp.
California, United States
Semiconductor,Product design,Industrial engineering,
...[+2]
patent citation: 1,087
50
ProMOS Technologies, Inc.
Taiwan Province, China
Semiconductor,Double data rate,Electronic component,
...[+2]
patent citation: 1,042
51
Western Digital Corp.
California, United States
Computer hardware,Navigation system,Software,
...[+2]
patent citation: 969
52
Western Digital Technologies, Inc.
California, United States
Computer hardware,Peripheral,Electronics,
...[+2]
patent citation: 969
53
EMC SP zoo
Poland
patent citation: 967
54
Nihon Denso KK
Saitama, Japan
Manufacturing engineering,Mechanical engineering
patent citation: 813
55
Atmel Corp.
California, United States
Semiconductor,Microcontroller,Industrial engineering,
...[+2]
patent citation: 802
56
Canon, Inc.
Tokyo, Japan
Computer hardware,Software,Computer vision,
...[+2]
patent citation: 763
57
Bell Laboratories, Inc.
Wisconsin, United States
Rodenticide,Agriculture,Chemical engineering,
...[+2]
patent citation: 733
58
M-System Co., Ltd.
Osaka, Japan
Tower,Programmable logic controller,Industry 4.0,
...[+2]
patent citation: 708
59
Novuton Technology Corp. Japan
Kyoto, Japan
Semiconductor,Laser diode,Integrated circuit,
...[+2]
patent citation: 699
60
Marvell Asia Pte Ltd.
Central Singapore, Singapore
Semiconductor,Microcontroller,Digital signal processing,
...[+2]
patent citation: 694
61
Hewlett Packard Enterprise Development LP
Texas, United States
Information technology consulting,Systems design,Computer security,
...[+2]
patent citation: 677
62
Apple, Inc.
California, United States
Software,Computer hardware,Peripheral,
...[+2]
patent citation: 652
63
Avago Technologies Wireless IP (Singapore) Pte Ltd.
Singapore
patent citation: 637
64
Akita Electronic Systems Co., Ltd.
Akita, Japan
Semiconductor,Enterprise software,Software,
...[+2]
patent citation: 631
65
Avago Technologies International Sales Pte Ltd.
Central Singapore, Singapore
Semiconductor device,Power transmission,Electronics,
...[+1]
patent citation: 628
66
Hewlett-Packard Development Co.
Beijing Shi, China
Personal computer,Computer hardware,Graphics processing unit,
...[+2]
patent citation: 622
67
U.S. Philips Corp.
Pennsylvania, United States
patent citation: 597
68
Freescale Semiconductor, Inc.
Texas, United States
Semiconductor,Industrial engineering,Automotive engineering,
...[+2]
patent citation: 591
69
Vanguard International Semiconductor Corp.
Taiwan Province, China
Semiconductor,Integrated circuit,Electronic component,
...[+1]
patent citation: 567
70
Ramtron International Corp.
Colorado, United States
Semiconductor,Automation,Molecular electronics,
...[+2]
patent citation: 554
71
Yamaha Corp.
Shizuoka, Japan
Audio equipment,Gasoline,Loudspeaker,
...[+2]
patent citation: 553
72
Casio Electronics Manufacturing Co., Ltd.
Saitama, Japan
patent citation: 540
73
ChangXin Memory Technologies, Inc.
Anhui Sheng, China
Tariff
patent citation: 519
74
FUJIFILM Corp.
Tokyo, Japan
Photography,Medical imaging,Computer hardware,
...[+2]
patent citation: 518
75
Micron Quantum Devices, Inc.
California, United States
patent citation: 508
76
Semiconductor Components Industries LLC
Arizona, United States
Semiconductor,Transistor,Image sensor,
...[+2]
patent citation: 455
77
National Semiconductor Corp.
Texas, United States
Semiconductor,Touchscreen,Adaptive voltage scaling,
...[+2]
patent citation: 432
78
PhysioWave, Inc.
California, United States
Pulse wave velocity,Medical equipment,Health care
patent citation: 405
79
Kawasaki Steel
patent citation: 385
80
UniRam Technology, Inc.
California, United States
patent citation: 380
81
Dongbu Electronics Co. Ltd.
South Korea
Semiconductor,Resistor,Microprocessor,
...[+2]
patent citation: 373
82
Nintendo Co., Ltd.
Kyoto, Japan
Game console,Video game development,Mobile device,
...[+2]
patent citation: 372
83
MoSys, Inc.
California, United States
Semiconductor,Memristor,Computer hardware,
...[+2]
patent citation: 372
84
Xilinx, Inc.
California, United States
Software,Computer hardware,Semiconductor,
...[+2]
patent citation: 360
85
Honeywell Information Systems Ltd.
Lancashire, United Kingdom
patent citation: 360
86
Lattice Semiconductor Corp.
Oregon, United States
Semiconductor,Software,Enterprise software,
...[+2]
patent citation: 354
87
Hitachi Keiyo Engineering Systems Ltd.
Chiba, Japan
Software,Information technology consulting,Systems design
patent citation: 344
88
Microchip Technology, Inc.
Arizona, United States
Semiconductor,Wireless,Automotive engineering,
...[+2]
patent citation: 342
89
Altera Corp.
California, United States
Semiconductor,Programmable logic device,Software,
...[+2]
patent citation: 341
90
Meidensha Corp.
Tokyo, Japan
Electrical equipment,Social infrastructure,Electronics,
...[+2]
patent citation: 339
91
AT&T, Inc.
Texas, United States
Wireless,Telecommunications,Mobile device,
...[+2]
patent citation: 333
92
AT&T IPM Corp.
United States
patent citation: 333
93
Foundation for Advancement of International Science
Ibaraki, Japan
patent citation: 311
94
Amkor Technology Singapore Holding Pte Ltd.
Central Singapore, Singapore
patent citation: 310
95
Callahan Cellular LLC
Delaware, United States
Shopping mall,Electronics
patent citation: 306
96
Minolta Co., Ltd.
Osaka, Japan
Autofocus,Optics,Photocopier,
...[+2]
patent citation: 299
97
Nanya Technology Corp.
Taiwan Province, China
Semiconductor,Product design,Industrial engineering,
...[+2]
patent citation: 295
98
CTU of Delaware, Inc.
Texas, United States
patent citation: 294
99
Tokyo Electron Device Ltd.
Kanagawa, Japan
Semiconductor,Electronic component,Network security,
...[+2]
patent citation: 291
100
Intellectual Discovery Co., Ltd.
Seoul, South Korea
Intellectual property,Asset management,Investment fund,
...[+1]
patent citation: 290

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