With the analysis among 1,982 patents, we discovered top 468 key players by total patent application. Imperial Chemical Industries Ltd., Hitachi Ltd., Toyota Motor Corp. are dominant in this area. They take 5.05% of the total patent filing.
Tokyo-to, Japan
Patent: 34
Tokyo-to, Japan
Patent: 27
Tokyo-to, Japan
Patent: 27
New York, United States
Patent: 24
Tokyo-to, Japan
Patent: 23
California, United States
Patent: 19
Tokyo-to, Japan
Patent: 17
Tokyo-to, Japan
Patent: 17
With the analysis among 7 patents, we discovered top 4 start-ups by total patent application. Aisin KK, Rongke Hydrogen Energy Co Ltd., Enapter Srl are active in this area.
Jiangsu Sheng, China
Patent: 2
New York, United States
Patent: 1
With the analysis among related 811 patents applied in the last 5 years. We discover 441 most active companies in this area. The fast-growing South China University of Technology, Shandong Renfeng Special Materials Co. Ltd., Honda Motor Co., Ltd. take 4.32% of patent filing during this period.
Guangdong Sheng, China
Patent: 13
Shandong Sheng, China
Patent: 11
Tokyo-to, Japan
Patent: 11
Liaoning Sheng, China
Patent: 9
Tianjin Shi, China
Patent: 9
Wuhan Research Institute of Marine Electric Propulsion
Hubei Sheng, China
Patent: 9
Jiangsu Sheng, China
Patent: 7
Shandong Sheng, China
Patent: 7
Shanghai Shi, China
Patent: 7
Liaoning Sheng, China
Patent: 7
With the analysis among related 811 patents in last 5 years, we discover 357 new entrants. Shandong Renfeng Special Materials Co. Ltd., Liaoning University, Jiangsu University are the most active new entrants in this area.
Shandong Sheng, China
Patent: 11
Liaoning Sheng, China
Patent: 9
Jiangsu Sheng, China
Patent: 7
Shandong Sheng, China
Patent: 7
Shanghai Shi, China
Patent: 7
Jiangsu Sheng, China
Patent: 6
Sichuan Sheng, China
Patent: 6
Hebei Sheng, China
Patent: 6
Jiangxi Sheng, China
Patent: 5
Anhui Sheng, China
Patent: 5
With the analysis among 707 patents, we discovered top 176 universities and scientific research institutions by total patent application. Dalian Institute of Chemical Physics Chinese Academy of Sciences, South China University of Technology, Chongqing University are dominant in this area. They take 10.75% of the total patent filing.
Liaoning Sheng, China
Patent: 32
Guangdong Sheng, China
Patent: 20
Chongqing Shi, China
Patent: 18
Hunan Sheng, China
Patent: 14
Tianjin Shi, China
Patent: 13
Hubei Sheng, China
Patent: 11
Heilongjiang Sheng, China
Patent: 11
Shanghai Shi, China
Patent: 10
Beijing Shi, China
Patent: 9
Liaoning Sheng, China
Patent: 9