With the analysis among 275 patents, we discovered top 73 key players by total patent application. Ricoh Co., Ltd., TOSHIBA Corp., Ebara Corp. are dominant in this area. They take 34.55% of the total patent filing.
Tokyo-to, Japan
Patent: 51
Tokyo-to, Japan
Patent: 11
Shandong Sheng, China
Patent: 10
Osaka-fu, Japan
Patent: 10
Toyama-ken, Japan
Patent: 6
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With the analysis among related 27 patents applied in the last 5 years. We discover 21 most active companies in this area. The fast-growing Harbin Institute of Technology, Tianjin University, Shenzhen Power Supply Bureau Co., Ltd. take 29.63% of patent filing during this period.
Heilongjiang Sheng, China
Patent: 3
Tianjin Shi, China
Patent: 3
Guangdong Sheng, China
Patent: 2
Shanghai Shi, China
Patent: 2
Guangdong Sheng, China
Patent: 2
Guangdong Sheng, China
Patent: 1
Guangdong Sheng, China
Patent: 1
California, United States
Patent: 1
Beijing Shi, China
Patent: 1
With the analysis among related 27 patents in last 5 years, we discover 14 new entrants. Harbin Institute of Technology, Shenzhen Power Supply Bureau Co., Ltd., Shanghai Jiao Tong University are the most active new entrants in this area.
Heilongjiang Sheng, China
Patent: 3
Guangdong Sheng, China
Patent: 2
Shanghai Shi, China
Patent: 2
Guangdong Sheng, China
Patent: 2
Guangdong Sheng, China
Patent: 1
California, United States
Patent: 1
Beijing Shi, China
Patent: 1
Sichuan Sheng, China
Patent: 1
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Patent: 1
With the analysis among 45 patents, we discovered top 17 universities and scientific research institutions by total patent application. Tianjin University, Xi'an Jiaotong University, Harbin University of Science & Technology are dominant in this area. They take 33.33% of the total patent filing.
Tianjin Shi, China
Patent: 9
Shaanxi Sheng, China
Patent: 3
Heilongjiang Sheng, China
Patent: 3
Heilongjiang Sheng, China
Patent: 3
Shanghai Shi, China
Patent: 2
Sichuan Sheng, China
Patent: 2
California, United States
Patent: 1
Shanghai Shi, China
Patent: 1
Beijing Shi, China
Patent: 1