With the analysis among 18,543 patents, we discovered top 479 key players by total patent application. Air Products & Chemicals, Inc., Air Liquide SA, LINDA AG are dominant in this area. They take 8.48% of the total patent filing.
Pennsylvania, United States
Patent: 600
Nordrhein-Westfalen, Germany
Patent: 447
Texas, United States
Patent: 320
Zuid-Holland, Netherlands
Patent: 304
Delaware, United States
Patent: 218
Gyeonggi-do, South Korea
Patent: 160
Guangdong Sheng, China
Patent: 149
With the analysis among 58 patents, we discovered top 16 start-ups by total patent application. Aisin KK, Beijing Zhongke Fuhai Cryogenic Technology Co Ltd., SpinTech, Inc. are active in this area.
Tokyo-to, Japan
Patent: 12
Beijing Shi, China
Patent: 9
North Dakota, United States
Patent: 8
California, United States
Patent: 7
Gyeonggi-do, South Korea
Patent: 7
Massachusetts, United States
Patent: 4
California, United States
Patent: 2
Beijing Shi, China
Patent: 1
Guangdong Sheng, China
Patent: 1
With the analysis among related 3,986 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing Air Liquide SA, Air Products & Chemicals, Inc., Exxonmobil Upstream Research Co. take 8.15% of patent filing during this period.
Pennsylvania, United States
Patent: 127
Texas, United States
Patent: 65
Guangdong Sheng, China
Patent: 61
Gyeonggi-do, South Korea
Patent: 59
Nordrhein-Westfalen, Germany
Patent: 27
Jiangsu Sheng, China
Patent: 23
With the analysis among related 3,986 patents in last 5 years, we discover 266 new entrants. Zhangjiagang Furui Hydrogen Energy Equipment Co. Ltd., Nanjing Yanchang Reaction Technology Research Institute Co., Ltd., Dalian Shipbuilding Industry Co., Ltd. are the most active new entrants in this area.
Jiangsu Sheng, China
Patent: 23
Jiangsu Sheng, China
Patent: 14
Liaoning Sheng, China
Patent: 12
Shaanxi Sheng, China
Patent: 12
Zhejiang Sheng, China
Patent: 11
Wyoming, United States
Patent: 10
Texas, United States
Patent: 9
Beijing Shi, China
Patent: 7
Beijing Shi, China
Patent: 6
Shandong Sheng, China
Patent: 6
With the analysis among 2,137 patents, we discovered top 252 universities and scientific research institutions by total patent application. Technical Institute of Physics & Chemistry CAS, Jiangnan University, South China University of Technology are dominant in this area. They take 7.07% of the total patent filing.
Beijing Shi, China
Patent: 42
Jiangsu Sheng, China
Patent: 36
Guangdong Sheng, China
Patent: 29
Shaanxi Sheng, China
Patent: 28
Shandong Sheng, China
Patent: 26
Shandong Sheng, China
Patent: 26
Zhejiang Sheng, China
Patent: 25
Shanghai Shi, China
Patent: 24
Jiangsu Sheng, China
Patent: 21
Jiangsu Sheng, China
Patent: 21