With the analysis among 8,449 patents, we discovered top 464 key players by total patent application. Haldor Topsøe A/S, Air Liquide SA, Johnson Matthey Plc are dominant in this area. They take 12.57% of the total patent filing.
Hovedstaden, Denmark
Patent: 474
United Kingdom
Patent: 232
United Kingdom
Patent: 226
Nordrhein-Westfalen, Germany
Patent: 192
Osaka-fu, Japan
Patent: 176
Zuid-Holland, Netherlands
Patent: 164
Mitsubishi Heavy Industries, Ltd.
Tokyo-to, Japan
Patent: 134
Tokyo-to, Japan
Patent: 127
Tokyo-to, Japan
Patent: 121
With the analysis among 31 patents, we discovered top 7 start-ups by total patent application. Aisin KK, Chart, Inc., Radical Plastics, Inc. are active in this area.
Tokyo-to, Japan
Patent: 18
California, United States
Patent: 3
Massachusetts, United States
Patent: 3
NORTHUMBERLAND COUNTY, United Kingdom
Patent: 2
Wyoming, United States
Patent: 2
New York, United States
Patent: 2
Arizona, United States
Patent: 1
With the analysis among related 1,132 patents applied in the last 5 years. We discover 316 most active companies in this area. The fast-growing Haldor Topsøe A/S, Air Liquide SA, Petróleo Brasileiro SA take 20.67% of patent filing during this period.
Hovedstaden, Denmark
Patent: 126
Rio de Janeiro, Brazil
Patent: 37
Osaka-fu, Japan
Patent: 30
Nordrhein-Westfalen, Germany
Patent: 27
Nordrhein-Westfalen, Germany
Patent: 27
With the analysis among related 1,132 patents in last 5 years, we discover 188 new entrants. Sichuan Chuangda New Energy Technology Co., Ltd., Nuclear Power Institute of China, Chengdu Tianbao Power Saving Engineering Co. Ltd. are the most active new entrants in this area.
Sichuan Chuangda New Energy Technology Co., Ltd.
Sichuan Sheng, China
Patent: 13
Sichuan Sheng, China
Patent: 9
Sichuan Sheng, China
Patent: 8
Lombardia, Italy
Patent: 8
Shaanxi Sheng, China
Patent: 7
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Patent: 7
Steiermark, Austria
Patent: 7
Zhongke Liquid Sunshine (Suzhou) Hydrogen Energy Technology Development Co., Ltd.
Jiangsu Sheng, China
Patent: 6
Sachsen, Germany
Patent: 6
With the analysis among 1,086 patents, we discovered top 159 universities and scientific research institutions by total patent application. King Fahd University of Petroleum & Minerals, Tianjin University, Zhejiang University are dominant in this area. They take 16.21% of the total patent filing.
Tianjin Shi, China
Patent: 26
Zhejiang Sheng, China
Patent: 25
Liaoning Sheng, China
Patent: 20
Massachusetts, United States
Patent: 19
Beijing Shi, China
Patent: 19
Shanghai Shi, China
Patent: 13
Heilongjiang Sheng, China
Patent: 12
Guangdong Sheng, China
Patent: 11