With the analysis among 597 patents, we discovered top 231 key players by total patent application. Toyota Motor Corp., Senju Metal Industry Co., Ltd., Gree Electric Appliances, Inc. of Zhuhai are dominant in this area. They take 11.06% of the total patent filing.
Tokyo-to, Japan
Patent: 40
Senju Metal Industry Co., Ltd.
Tokyo-to, Japan
Patent: 14
Gree Electric Appliances, Inc. of Zhuhai
Guangdong Sheng, China
Patent: 12
Fukushima-ken, Japan
Patent: 11
Mitsubishi Electric Corp.
Tokyo-to, Japan
Patent: 10
Weiteli (Shenzhen) Fluid Engineering Co., Ltd.
Guangdong Sheng, China
Patent: 10
China Petroleum & Chemical Corp.
Beijing Shi, China
Patent: 9
China Petroleum and Chemical Corporation Qingdao Security Engineering Research Institute
Shandong Sheng, China
Patent: 7
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With the analysis among related 133 patents applied in the last 5 years. We discover 75 most active companies in this area. The fast-growing Toyota Motor Corp., Weiteli (Shenzhen) Fluid Engineering Co., Ltd., Nanjing Taubes New Material Technology Co., Ltd. take 21.05% of patent filing during this period.
Tokyo-to, Japan
Patent: 12
Weiteli (Shenzhen) Fluid Engineering Co., Ltd.
Guangdong Sheng, China
Patent: 10
Nanjing Taubes New Material Technology Co., Ltd.
Jiangsu Sheng, China
Patent: 6
Gree Electric Appliances, Inc. of Zhuhai
Guangdong Sheng, China
Patent: 6
Shenyang Northeast Elecric Power Control Co. Ltd.
Liaoning Sheng, China
Patent: 6
Chongqing Maihe Electromechanical Co., Ltd.
Chongqing Shi, China
Patent: 5
GE-Hitachi Nuclear Energy Americas LLC
North Carolina, United States
Patent: 5
Nippon Piston Ring Co., Ltd.
Saitama-ken, Japan
Patent: 4
With the analysis among related 133 patents in last 5 years, we discover 60 new entrants. Weiteli (Shenzhen) Fluid Engineering Co., Ltd., Nanjing Taubes New Material Technology Co., Ltd., Shenyang Northeast Elecric Power Control Co. Ltd. are the most active new entrants in this area.
Weiteli (Shenzhen) Fluid Engineering Co., Ltd.
Guangdong Sheng, China
Patent: 10
Nanjing Taubes New Material Technology Co., Ltd.
Jiangsu Sheng, China
Patent: 6
Shenyang Northeast Elecric Power Control Co. Ltd.
Liaoning Sheng, China
Patent: 6
Chongqing Maihe Electromechanical Co., Ltd.
Chongqing Shi, China
Patent: 5
GE-Hitachi Nuclear Energy Americas LLC
North Carolina, United States
Patent: 5
Nippon Piston Ring Co., Ltd.
Saitama-ken, Japan
Patent: 4
Diamond Deep Sea Energy Technology R&D (Shanghai) Co., Ltd.
Shanghai Shi, China
Patent: 3
Hangzhou Haoyida Technology Co., Ltd.
Zhejiang Sheng, China
Patent: 2
Wuhan Grove Hydrogen Automotive Co., Ltd.
Hubei Sheng, China
Patent: 2
MECA-INOX VALVES CO.,LIMITED
Liaoning Sheng, China
Patent: 2
With the analysis among 25 patents, we discovered top 7 universities and scientific research institutions by total patent application. East China University of Science & Technology, Shenyang University of Chemical Technology, Zhejiang University are dominant in this area. They take 68.00% of the total patent filing.
East China University of Science & Technology
Shanghai Shi, China
Patent: 2
Shenyang University of Chemical Technology
Liaoning Sheng, China
Patent: 2
Zhejiang Sheng, China
Patent: 1
Hubei Sheng, China
Patent: 1
Shaanxi Sheng, China
Patent: 1
Henan Sheng, China
Patent: 1
Harbin Institute of Technology
Heilongjiang Sheng, China
Patent: 1