With the analysis among 453 patents, we discovered top 226 key players by total patent application. Fuji Photo Film Co., Ltd., Toyota Motor Corp., GM Global Technology Operations LLC are dominant in this area. They take 9.49% of the total patent filing.
Tokyo-to, Japan
Patent: 15
Tokyo-to, Japan
Patent: 14
GM Global Technology Operations LLC
Michigan, United States
Patent: 14
Tokyo-to, Japan
Patent: 13
Beijing Shi, China
Patent: 13
Tokyo-to, Japan
Patent: 11
Beijing Shi, China
Patent: 11
California, United States
Patent: 10
With the analysis among 4 patents, we discovered top 1 start-ups by total patent application.
With the analysis among related 240 patents applied in the last 5 years. We discover 175 most active companies in this area. The fast-growing State Power Invt Corp. Hydrogen Energy Tech Dev Co. Ltd., Huaneng Clean Energy Research Institute, Zhejiang University take 11.67% of patent filing during this period.
Beijing Shi, China
Patent: 13
Beijing Shi, China
Patent: 9
Zhejiang Sheng, China
Patent: 6
Chongqing Shi, China
Patent: 5
Hunan Sheng, China
Patent: 5
Beijing Shi, China
Patent: 5
Hubei Sheng, China
Patent: 4
Beijing Shi, China
Patent: 4
Tianjin Shi, China
Patent: 4
With the analysis among related 240 patents in last 5 years, we discover 157 new entrants. State Power Invt Corp. Hydrogen Energy Tech Dev Co. Ltd., Zhejiang University, Central South University are the most active new entrants in this area.
Beijing Shi, China
Patent: 13
Zhejiang Sheng, China
Patent: 6
Hunan Sheng, China
Patent: 5
Hubei Sheng, China
Patent: 4
Beijing Shi, China
Patent: 4
Tianjin Shi, China
Patent: 4
Fujian Sheng, China
Patent: 4
Guangdong Sheng, China
Patent: 4
Jiangsu Sheng, China
Patent: 3
With the analysis among 225 patents, we discovered top 97 universities and scientific research institutions by total patent application. Osaka University, Tsinghua University, Jiangsu University are dominant in this area. They take 12.44% of the total patent filing.
Osaka-fu, Japan
Patent: 10
Beijing Shi, China
Patent: 8
Jiangsu Sheng, China
Patent: 7
Chongqing Shi, China
Patent: 7
Zhejiang Sheng, China
Patent: 6
Hunan Sheng, China
Patent: 5
Shaanxi Sheng, China
Patent: 4
Beijing Shi, China
Patent: 4
Shanghai Shi, China
Patent: 4
Beijing Shi, China
Patent: 4