With the analysis among 507 patents, we discovered top 290 key players by total patent application. Schweizerische Rückversicherungs-Gesellschaft AG (Invt Port), Kawamura Electric, Inc., Southwest Electric Power Design Institute Co., Ltd. are dominant in this area. They take 7.69% of the total patent filing.
ZURICH, Switzerland
Patent: 15
Aichi-ken, Japan
Patent: 12
Sichuan Sheng, China
Patent: 12
Tokyo-to, Japan
Patent: 11
Beijing Shi, China
Patent: 8
Beijing Shi, China
Patent: 8
Guangdong Sheng, China
Patent: 8
Shandong Sheng, China
Patent: 8
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With the analysis among related 236 patents applied in the last 5 years. We discover 181 most active companies in this area. The fast-growing Qingdao Kexin Security Technology Co., Ltd., Powerchina Huadong Engineering Corp. Ltd., China Railway Eryuan Engineering Group Co., Ltd. take 7.20% of patent filing during this period.
Shandong Sheng, China
Patent: 6
Zhejiang Sheng, China
Patent: 6
Sichuan Sheng, China
Patent: 5
Shanghai Shi, China
Patent: 4
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Patent: 4
Beijing Shi, China
Patent: 4
Jiangsu Sheng, China
Patent: 3
Beijing Shi, China
Patent: 3
Guangdong Sheng, China
Patent: 3
With the analysis among related 236 patents in last 5 years, we discover 148 new entrants. Powerchina Huadong Engineering Corp. Ltd., China Electric Power Research Institute Ltd., Tsinghua University are the most active new entrants in this area.
Zhejiang Sheng, China
Patent: 6
Beijing Shi, China
Patent: 4
Beijing Shi, China
Patent: 3
Guangdong Sheng, China
Patent: 3
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Patent: 3
Sichuan Sheng, China
Patent: 3
Shandong Sheng, China
Patent: 2
Shanghai Shi, China
Patent: 2
MCC Capital Engineering & Research, Inc.
Beijing Shi, China
Patent: 2
With the analysis among 168 patents, we discovered top 57 universities and scientific research institutions by total patent application. Xi'an University of Architecture & Technology, Tongji University, Chongqing University are dominant in this area. They take 17.86% of the total patent filing.
Shaanxi Sheng, China
Patent: 16
Shanghai Shi, China
Patent: 6
Chongqing Shi, China
Patent: 5
Hainan Sheng, China
Patent: 4
Jiangsu Sheng, China
Patent: 4
Beijing Shi, China
Patent: 3
Beijing Shi, China
Patent: 3
Yunnan Sheng, China
Patent: 3
Beijing Shi, China
Patent: 2