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Top 10 Key Players companies in Memory
by Most Literature Citation in the Japan in 2019

The Memory top 10 is Discovery PatSnap’ annual ranking of the top 10 Most Literature 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.
#
Company Name
Region
Tech Topics
Total
1
Hitachi Ltd.
Elevator,Electrical equipment,Electric motor,
...[+2]
Literature citation: 481
2
TOSHIBA Corp.
Semiconductor,Computer hardware,Electronics,
...[+2]
Literature citation: 403
3
Fujitsu Ltd.
Cloud computing,Enterprise software,Information technology management,
...[+2]
Literature citation: 398
4
NEC Corp.
Virtualization,Big data,Network security,
...[+2]
Literature citation: 165
5
Mitsubishi Corp.
Lifestyle business,Electricity,Raw material,
...[+2]
Literature citation: 161
6
Advanced Industrial Science & Technology
Graphene,Association (object-oriented programming)
Literature citation: 91
7
Elpida Memory, Inc.
Semiconductor,Dynamic random-access memory,Resistor,
...[+2]
Literature citation: 35
8
Japan Atomic Energy Research Institute
Basic law
Literature citation: 1
9
Canon, Inc.
Computer hardware,Software,Computer vision,
...[+2]
Literature citation: 0
10
Dai Nippon Printing Co., Ltd.
Electronics,Publishing,Publication,
...[+2]
Literature citation: 0
Page generation time: Aug 12 2025