With the analysis among 42 patents, we discovered top 33 key players by total patent application. Hitachi Ltd., TOSHIBA Corp., Hanshin Expressway Engineering Co., Ltd. are dominant in this area. They take 21.43% of the total patent filing.
California, United States
Patent: 2
Beijing Shi, China
Patent: 2
California, United States
Patent: 2
Georgia, United States
Patent: 1
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With the analysis among related 7 patents applied in the last 5 years. We discover 5 most active companies in this area. The fast-growing Visionvera Information Technology Co., Ltd., Taiyuan Power Supply Design Institute, China Merchants Holdings (International) Info Tech Co., Ltd. take 57.14% of patent filing during this period.
Beijing Shi, China
Patent: 2
Shanxi Sheng, China
Patent: 1
Guangdong Sheng, China
Patent: 1
Hunan Sheng, China
Patent: 1
Hunan Sheng, China
Patent: 1
With the analysis among related 7 patents in last 5 years, we discover 5 new entrants. Visionvera Information Technology Co., Ltd., Taiyuan Power Supply Design Institute, China Merchants Holdings (International) Info Tech Co., Ltd. are the most active new entrants in this area.
Beijing Shi, China
Patent: 2
Shanxi Sheng, China
Patent: 1
Guangdong Sheng, China
Patent: 1
Hunan Sheng, China
Patent: 1
Hunan Sheng, China
Patent: 1
With the analysis among 3 patents, we discovered top 2 universities and scientific research institutions by total patent application.
Hunan Sheng, China
Patent: 1
Hunan Sheng, China
Patent: 1