With the analysis among 34,907 patents, we discovered top 492 key players by total patent application. Imperial Chemical Industries Ltd., Asahi Kasei Corp., Olin Corp. are dominant in this area. They take 4.31% of the total patent filing.
United Kingdom
Patent: 610
Tokyo-to, Japan
Patent: 449
Missouri, United States
Patent: 445
Lombardia, Italy
Patent: 399
Tokyo-to, Japan
Patent: 336
Kanagawa-ken, Japan
Patent: 335
Pennsylvania, United States
Patent: 310
Michigan, United States
Patent: 287
Osaka-fu, Japan
Patent: 281
With the analysis among 113 patents, we discovered top 21 start-ups by total patent application. Enlighten Innovations, Inc., Atmonia ehf, Aqua Innovations Ltd. are active in this area.
Alberta, Canada
Patent: 41
Wisconsin, United States
Patent: 9
Oregon, United States
Patent: 8
California, United States
Patent: 6
Sachsen, Germany
Patent: 5
Shanghai Shi, China
Patent: 4
Beijing Shi, China
Patent: 4
Arizona, United States
Patent: 3
With the analysis among related 10,806 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing Asahi Kasei Corp., Huaneng Clean Energy Research Institute, Central South University take 3.08% of patent filing during this period.
Tokyo-to, Japan
Patent: 134
Beijing Shi, China
Patent: 101
Hunan Sheng, China
Patent: 98
Beijing Shi, China
Patent: 79
Liaoning Sheng, China
Patent: 78
Sichuan Sheng, China
Patent: 74
Zhejiang Sheng, China
Patent: 73
Sichuan Sheng, China
Patent: 69
Sichuan Sheng, China
Patent: 69
Sichuan Sheng, China
Patent: 69
With the analysis among related 10,806 patents in last 5 years, we discover 219 new entrants. Huaneng Group Technology Innovation Center, Sichuan Huaneng Hydrogen Energy Technology Co., Ltd., Sichuan Huaneng Taipingyi Hydroelectricity Co. Ltd. are the most active new entrants in this area.
Beijing Shi, China
Patent: 79
Sichuan Sheng, China
Patent: 74
Sichuan Sheng, China
Patent: 69
Sichuan Sheng, China
Patent: 69
Sichuan Sheng, China
Patent: 69
Sichuan Sheng, China
Patent: 69
Sichuan Sheng, China
Patent: 69
Sichuan Sheng, China
Patent: 69
Sichuan Sheng, China
Patent: 69
Shaanxi Sheng, China
Patent: 62
With the analysis among 4,791 patents, we discovered top 303 universities and scientific research institutions by total patent application. Central South University, Dalian Institute of Chemical Physics Chinese Academy of Sciences, North Eastern University are dominant in this area. They take 7.95% of the total patent filing.
Hunan Sheng, China
Patent: 169
Liaoning Sheng, China
Patent: 112
Liaoning Sheng, China
Patent: 100
Zhejiang Sheng, China
Patent: 93
Beijing Shi, China
Patent: 85
Zhejiang Sheng, China
Patent: 65
Shanghai Shi, China
Patent: 58
Yunnan Sheng, China
Patent: 56
Shaanxi Sheng, China
Patent: 54
Beijing Shi, China
Patent: 54