With the analysis among 229 patents, we discovered top 66 key players by total patent application. Fujitsu Ltd., Hitachi Ltd., International Business Machines Corp. are dominant in this area. They take 48.91% of the total patent filing.
Tokyo-to, Japan
Patent: 63
Tokyo-to, Japan
Patent: 30
New York, United States
Patent: 19
Tokyo-to, Japan
Patent: 15
Taiwan Province, China
Patent: 5
California, United States
Patent: 5
Aichi-ken, Japan
Patent: 3
Shizuoka-ken, Japan
Patent: 3
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With the analysis among related 32 patents applied in the last 5 years. We discover 17 most active companies in this area. The fast-growing Fujitsu Ltd., Hitachi Ltd., Virtana Corp. take 50.00% of patent filing during this period.
Tokyo-to, Japan
Patent: 10
California, United States
Patent: 2
Nagano-ken, Japan
Patent: 1
North Carolina, United States
Patent: 1
Kanagawa-ken, Japan
Patent: 1
With the analysis among related 32 patents in last 5 years, we discover 9 new entrants. Virtana Corp., Silicon Motion, Inc. (Taiwan), Billing System Corp. are the most active new entrants in this area.
California, United States
Patent: 2
Beijing Shi, China
Patent: 1
Nagano-ken, Japan
Patent: 1
Gyeonggi-do, South Korea
Patent: 1
Taiwan Province, China
Patent: 1
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