With the analysis among 334 patents, we discovered top 108 key players by total patent application. Texaco Development Corp., TOSHIBA Corp., Hitachi Ltd. are dominant in this area. They take 21.56% of the total patent filing.
Texas, United States
Patent: 31
Tokyo-to, Japan
Patent: 24
Tokyo-to, Japan
Patent: 17
Kyoto-fu, Japan
Patent: 14
Tokyo-to, Japan
Patent: 12
Tokyo-to, Japan
Patent: 10
Kagoshima-ken, Japan
Patent: 9
Texas, United States
Patent: 8
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With the analysis among related 4 patents applied in the last 5 years. We discover 2 most active companies in this area.
With the analysis among related 4 patents in last 5 years, we discover 1 new entrants.
With the analysis among 20 patents, we discovered top 3 universities and scientific research institutions by total patent application.
Jiangsu Sheng, China
Patent: 1