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Top 100 Key Players companies in Memory
by Most Patent Citation in the Japan in 2019

The Memory top 100 is Discovery PatSnap’ annual ranking of the top 100 Most Patent Citation Memory Key Players in the Japan. Discovery has identified the top key players, startups & unicorns, fast-growings, news entrants in 2019, 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
Renesas Electronics Corp.
Tokyo, Japan
Semiconductor,Microcontroller,Electronics,
...[+2]
patent citation: 39,755
3
Mitsubishi Electric Engineering Co., Ltd.
Tokyo, Japan
patent citation: 35,658
4
Hitachi Ltd.
Tokyo, Japan
Elevator,Electrical equipment,Electric motor,
...[+2]
patent citation: 28,585
5
KIOXIA Corp.
Tokyo, Japan
Computer hardware,Solid-state,Flash memory,
...[+2]
patent citation: 23,050
6
Fujitsu Ltd.
Tokyo, Japan
Cloud computing,Enterprise software,Information technology management,
...[+2]
patent citation: 18,650
7
Matsushita Electronics Corp.
Osaka, Japan
Electronics,Computer hardware,DVD player,
...[+2]
patent citation: 13,770
8
Sony Group Corp.
Tokyo, Japan
Computer hardware,Software,Music,
...[+2]
patent citation: 12,023
9
Sharp Corp.
Osaka, Japan
Computer hardware,Electronics,Telecommunications,
...[+2]
patent citation: 9,999
10
NEC Electronics Corp.
Kanagawa, Japan
Electronics,Computer hardware,Semiconductor,
...[+2]
patent citation: 9,288
11
Socionext, Inc.
Kyoto, Japan
Quality of experience,Semiconductor device fabrication,Semiconductor,
...[+2]
patent citation: 8,027
12
Elpida Memory, Inc.
Tokyo, Japan
Semiconductor,Dynamic random-access memory,Resistor,
...[+2]
patent citation: 4,542
13
Fujitsu Semiconductor Ltd.
Kanagawa, Japan
Semiconductor,Electronic component,Microcontroller,
...[+2]
patent citation: 4,528
14
Seiko Epson Corp.
Nagano, Japan
Wearable technology,Projector,Electronics,
...[+2]
patent citation: 3,844
15
Semiconductor Energy Laboratory Co., Ltd.
Kanagawa, Japan
Semiconductor,Transistor,Semiconductor device,
...[+2]
patent citation: 2,278
16
Ricoh Co., Ltd.
Tokyo, Japan
Digital media,Data visualization,Thermal paper,
...[+2]
patent citation: 1,629
17
Hitachi Ulsi Systems Co. Ltd.
Tokyo, Japan
Semiconductor,Automation,Manufacturing engineering,
...[+2]
patent citation: 1,602
18
SANYO Electric Co., Ltd.
Osaka, Japan
Semiconductor,Computer hardware,Software,
...[+2]
patent citation: 1,465
19
Toshiba Microelectronics Corp.
Kanagawa, Japan
patent citation: 1,306
20
Advantest Corp.
Tokyo, Japan
Semiconductor,Mechanical engineering,Product design,
...[+2]
patent citation: 1,297
21
Nihon Denso KK
Saitama, Japan
Manufacturing engineering,Mechanical engineering
patent citation: 813
22
Canon, Inc.
Tokyo, Japan
Computer hardware,Software,Computer vision,
...[+2]
patent citation: 763
23
M-System Co., Ltd.
Osaka, Japan
Tower,Programmable logic controller,Industry 4.0,
...[+2]
patent citation: 708
24
Novuton Technology Corp. Japan
Kyoto, Japan
Semiconductor,Laser diode,Integrated circuit,
...[+2]
patent citation: 699
25
Akita Electronic Systems Co., Ltd.
Akita, Japan
Semiconductor,Enterprise software,Software,
...[+2]
patent citation: 631
26
Yamaha Corp.
Shizuoka, Japan
Audio equipment,Gasoline,Loudspeaker,
...[+2]
patent citation: 553
27
Casio Electronics Manufacturing Co., Ltd.
Saitama, Japan
patent citation: 540
28
FUJIFILM Corp.
Tokyo, Japan
Photography,Medical imaging,Computer hardware,
...[+2]
patent citation: 518
29
Hitachi Keiyo Engineering Systems Ltd.
Chiba, Japan
Software,Information technology consulting,Systems design
patent citation: 344
30
Meidensha Corp.
Tokyo, Japan
Electrical equipment,Social infrastructure,Electronics,
...[+2]
patent citation: 339
31
Foundation for Advancement of International Science
Ibaraki, Japan
patent citation: 311
32
Minolta Co., Ltd.
Osaka, Japan
Autofocus,Optics,Photocopier,
...[+2]
patent citation: 299
33
Tokyo Electron Device Ltd.
Kanagawa, Japan
Semiconductor,Electronic component,Network security,
...[+2]
patent citation: 291
34
AGC
Tokyo, Japan
Fluorine,Glazing,Chemical engineering,
...[+2]
patent citation: 240
35
Asahi Fiber Glass Co., Ltd.
Tokyo, Japan
Glass wool,Thermal insulation,Fiber,
...[+2]
patent citation: 240
36
Seiko Instruments, Inc.
Chiba, Japan
Semiconductor,Electronic component,Optical fiber connector,
...[+2]
patent citation: 227
37
Renesas System Design Co., Ltd.
Tokyo, Japan
Semiconductor,Semiconductor device,Electronic component,
...[+1]
patent citation: 200
38
Toshiba Tec Corp.
Tokyo, Japan
Computer hardware,Peripheral,Electronics,
...[+2]
patent citation: 169
39
Tokyo Electron Ltd.
Tokyo, Japan
Semiconductor,Power transmission,Flat panel display,
...[+2]
patent citation: 165
40
Showa Denko Materials Co., Ltd.
Tokyo, Japan
Semiconductor,Carbon product,Efficient energy use,
...[+2]
patent citation: 156
41
Sony Semiconductor Solutions Corp.
Kanagawa, Japan
Semiconductor,Image sensor,CMOS sensor,
...[+2]
patent citation: 145
42
TDK Corp.
Tokyo, Japan
Electronic component,Ceramic capacitor,Electronics,
...[+2]
patent citation: 142
43
Toyota Central R&D Labs, Inc.
Aichi, Japan
Semiconductor,Power semiconductor device,System on a chip,
...[+2]
patent citation: 141
44
Nikon Corp.
Tokyo, Japan
Microscope,Photography,Motion capture,
...[+2]
patent citation: 137
45
Citizen Watch Co., Ltd.
Tokyo, Japan
Quartz,Semiconductor,Electronics,
...[+2]
patent citation: 126
46
MegaChips Corp.
Osaka, Japan
Semiconductor,Software,Electronic visual display,
...[+2]
patent citation: 118
47
Advanced Industrial Science & Technology
Tokyo, Japan
Graphene,Association (object-oriented programming)
patent citation: 109
48
Iwate Toshiba Electronics Co., Ltd.
Japan
patent citation: 105
49
Kobe Steel, Ltd.
Hyogo, Japan
Welding,Electronics,Mining engineering,
...[+2]
patent citation: 99
50
OMRON Corp.
Kyoto, Japan
Automation,Electronics,Health care,
...[+2]
patent citation: 97
51
Paramount Bed Co., Ltd.
Tokyo, Japan
Medical equipment,Long-term care,Sales management,
...[+2]
patent citation: 97
52
Star Micronics Co., Ltd.
Shizuoka, Japan
Peripheral,Digital printing,Automation,
...[+2]
patent citation: 96
53
Unisis Corp.
Japan
Medical equipment,Medicine,Biopsy
patent citation: 96
54
Nissan Motor Co., Ltd.
Kanagawa, Japan
Truck,Public transport,Automotive engineering,
...[+2]
patent citation: 94
55
Yamaichi Electronics Co., Ltd.
Tokyo, Japan
Semiconductor,Electronics,Test solution,
...[+2]
patent citation: 90
56
Yokogawa Electric Corp.
Tokyo, Japan
Automation,Systems design,Programmable logic controller,
...[+2]
patent citation: 82
57
Japan Display West, Inc.
Japan
patent citation: 79
58
Toppan, Inc.
Tokyo, Japan
Publishing,Semiconductor,Electronics,
...[+2]
patent citation: 70
59
OKI Micro Design Co. Ltd.
Japan
patent citation: 68
60
Hashimoto Corp.
Ehime, Japan
Sales management,Automotive engineering
patent citation: 66
61
Fujitsu Semiconductor Memory Solution Ltd.
Kanagawa, Japan
Semiconductor memory,Non-volatile memory,Random access memory,
...[+2]
patent citation: 63
62
Mitsubishi Materials Corp.
Tokyo, Japan
Cement,Alloy,Polycrystalline silicon,
...[+2]
patent citation: 61
63
Mitsubishi Materials Techno Corp.
Japan
patent citation: 61
64
Hitachi Solutions Technology Ltd.
Japan
patent citation: 61
65
Pioneer Corp.
Fukushima, Japan
Navigation system,Laserdisc player,Electronic product,
...[+2]
patent citation: 55
66
Renesas Semiconductor Package & Test Solutions Co., Ltd.
Japan
Power transmission,Electronics,Semiconductor package
patent citation: 55
67
Hitachi Kokusai Electric, Inc.
Saga, Japan
Semiconductor,Electronics,Thin film,
...[+2]
patent citation: 51
68
Renesas Design Corp.
Japan
patent citation: 45
69
Victor Company of Japan Ltd.
Kanagawa, Japan
Electronics,Software,High-definition television,
...[+2]
patent citation: 44
70
Samsung Yokohama Research Institute Co. Ltd.
Japan
patent citation: 44
71
Toyota Motor Corp.
Aichi, Japan
Sport utility vehicle,Mobile device,Public transport,
...[+2]
patent citation: 41
72
Brother Industries, Ltd.
Aichi, Japan
Computer hardware,Electronics,Digital printing,
...[+2]
patent citation: 41
73
Dai Nippon Printing Co., Ltd.
Tokyo, Japan
Electronics,Publishing,Publication,
...[+2]
patent citation: 40
74
Dainippon Printing Co. Ltd.
Japan
patent citation: 40
75
Toshiba Storage Device Corp.
Tokyo, Japan
Peripheral,Electronics,Computer hardware
patent citation: 39
76
Fuji Electronics Co., Ltd.
Tokyo, Japan
Semiconductor,Microcomputer,Electronic component,
...[+2]
patent citation: 37
77
Seiko Precision, Inc.
Chiba, Japan
patent citation: 37
78
Fuji Electric FA Components & SYstems Co., Ltd.
Tokyo, Japan
Semiconductor,Industrial engineering,Smart grid,
...[+2]
patent citation: 37
79
Renesas Semiconductor Manufacturing Co., Ltd.
Osaka, Japan
Semiconductor,Electronic component
patent citation: 37
80
FANUC Corp.
Yamanashi, Japan
Robotics,Robot,Automation,
...[+2]
patent citation: 35
81
NEC Engineering Ltd.
Tokyo, Japan
patent citation: 35
82
Nippon Precision Circuits, Inc.
Tokyo, Japan
Semiconductor,Electronic component
patent citation: 35
83
Hino Motors, Ltd.
Tokyo, Japan
Truck,Public transport,Gasoline,
...[+2]
patent citation: 31
84
GENUSION, Inc.
Hyogo, Japan
Semiconductor,Semiconductor memory,Computer hardware,
...[+2]
patent citation: 30
85
Kyoraku Sangyo KK
Aichi, Japan
Intellectual property,Aseptic processing,Active packaging,
...[+2]
patent citation: 30
86
Showa Denko K.K.
Chiba, Japan
Graphite,Materials science,Nanomaterials,
...[+2]
patent citation: 28
87
TEAC Corp.
Tokyo, Japan
Audio equipment,Electronics,Peripheral,
...[+2]
patent citation: 28
88
Spansion Japan Ltd.
Kanagawa, Japan
Semiconductor,Automation,Manufacturing engineering,
...[+2]
patent citation: 28
89
Asahi Kasei Corp.
Tokyo, Japan
Chemical engineering,Petrochemical,Fertilizer,
...[+2]
patent citation: 27
90
Alpine Electronics, Inc.
Tokyo, Japan
Electronics,Audio equipment,CD player,
...[+2]
patent citation: 27
91
Zentel Japan Corp.
Tokyo, Japan
Semiconductor,Graphics processing unit,Information technology management,
...[+1]
patent citation: 27
92
Nippon Columbia Co., Ltd.
Tokyo, Japan
Software,Advertising,Music,
...[+2]
patent citation: 25
93
Canon Anelva Corp.
Tokyo, Japan
Semiconductor,Electronic component,Chemical vapor deposition,
...[+2]
patent citation: 25
94
Nidec Sankyo Corp.
Shiga, Japan
Card reader,Core component,Image processing
patent citation: 23
95
NSCore, Inc.
Fukuoka, Japan
Intellectual property,Semiconductor,Non-volatile memory,
...[+2]
patent citation: 21
96
SSD Co.
Osaka, Japan
Asset management
patent citation: 21
97
NEC Computertechno Ltd.
Japan
patent citation: 20
98
Sumitomo Electric Industries Ltd.
Osaka, Japan
Electronics,Optical fiber,Optical fiber cable,
...[+2]
patent citation: 19
99
Sumitomo Electric
Osaka, Japan
Optical fiber,Electronics,Optical fiber cable
patent citation: 19
100
Asia Electronic Inc.
Tokyo, Japan
Semiconductor,Electronic component
patent citation: 19

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