With the analysis among 183 patents, we discovered top 64 key players by total patent application. Siemens AG, NEC Corp., Matsushita Electronics Corp. are dominant in this area. They take 32.79% of the total patent filing.
Bayern, Germany
Patent: 29
Tokyo-to, Japan
Patent: 16
Osaka-fu, Japan
Patent: 15
Nagano-ken, Japan
Patent: 5
Guangdong Sheng, China
Patent: 4
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With the analysis among related 7 patents applied in the last 5 years. We discover 6 most active companies in this area. The fast-growing Shanghai Arcata Electronics, Inc., Chongqing Research Inst of China Coal Tech & Eng Group Corp., Electric Power Research Institute of Yunnan Power Grid Co., Ltd. take 42.86% of patent filing during this period.
Shanghai Shi, China
Patent: 1
Chongqing Shi, China
Patent: 1
Yunnan Sheng, China
Patent: 1
Jiangxi Sheng, China
Patent: 1
Jiangxi Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1
With the analysis among related 7 patents in last 5 years, we discover 6 new entrants. Shanghai Arcata Electronics, Inc., Chongqing Research Inst of China Coal Tech & Eng Group Corp., Electric Power Research Institute of Yunnan Power Grid Co., Ltd. are the most active new entrants in this area.
Shanghai Shi, China
Patent: 1
Chongqing Shi, China
Patent: 1
Yunnan Sheng, China
Patent: 1
Jiangxi Sheng, China
Patent: 1
Jiangxi Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1
With the analysis among 7 patents, we discovered top 3 universities and scientific research institutions by total patent application.
Sichuan Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1
Jiangxi Sheng, China
Patent: 1