With the analysis among 605 patents, we discovered top 272 key players by total patent application. NEC Corp., Fujitsu Ltd., Hitachi Ltd. are dominant in this area. They take 15.37% of the total patent filing.
Tokyo-to, Japan
Patent: 45
Tokyo-to, Japan
Patent: 29
Tokyo-to, Japan
Patent: 19
Tokyo-to, Japan
Patent: 17
Tokyo-to, Japan
Patent: 16
Osaka-fu, Japan
Patent: 16
Tokyo-to, Japan
Patent: 14
Guangdong Sheng, China
Patent: 11
Tokyo-to, Japan
Patent: 10
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With the analysis among related 51 patents applied in the last 5 years. We discover 58 most active companies in this area. The fast-growing Huawei Technologies Co., Ltd., Xiamen Filtertech Industrial Corp., State Grid Shandong Electric Power Company Electric Power Research Institute take 9.80% of patent filing during this period.
Guangdong Sheng, China
Patent: 2
Fujian Sheng, China
Patent: 2
Shandong Sheng, China
Patent: 1
Heilongjiang Sheng, China
Patent: 1
Chongqing Shi, China
Patent: 1
Shanghai Shi, China
Patent: 1
Beijing Shi, China
Patent: 1
Beijing Shi, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
With the analysis among related 51 patents in last 5 years, we discover 40 new entrants. Xiamen Filtertech Industrial Corp., Henan University, Chinese Academy of Surveying & Mapping are the most active new entrants in this area.
Fujian Sheng, China
Patent: 2
Henan Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1
Hubei Sheng, China
Patent: 1
Chongqing Shi, China
Patent: 1
Shanghai Shi, China
Patent: 1
Beijing Shi, China
Patent: 1
Xi'An Yixie Network Co., Ltd
Shaanxi Sheng, China
Patent: 1
Yunnan Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
With the analysis among 146 patents, we discovered top 61 universities and scientific research institutions by total patent application. South China University of Technology, Zhejiang University, Beijing Jiaotong University are dominant in this area. They take 15.07% of the total patent filing.
Guangdong Sheng, China
Patent: 9
Zhejiang Sheng, China
Patent: 8
Beijing Shi, China
Patent: 5
Hubei Sheng, China
Patent: 5
Guangdong Sheng, China
Patent: 5
Beijing Shi, China
Patent: 4
Beijing Shi, China
Patent: 4
Heilongjiang Sheng, China
Patent: 4
Liaoning Sheng, China
Patent: 4
Chongqing Shi, China
Patent: 3