With the analysis among 189 patents, we discovered top 88 key players by total patent application. Sumitomo Heavy Industries, Ltd., Halliburton Energy Services, Inc., AGC, Inc. (Japan) are dominant in this area. They take 23.28% of the total patent filing.
Tokyo-to, Japan
Patent: 27
Texas, United States
Patent: 9
Nagano-ken, Japan
Patent: 7
New Jersey, United States
Patent: 7
Ohio, United States
Patent: 6
Texas, United States
Patent: 5
Jiangsu Sheng, China
Patent: 4
With the analysis among 1 patents, we discovered top 1 start-ups by total patent application.
California, United States
Patent: 1
With the analysis among related 136 patents applied in the last 5 years. We discover 78 most active companies in this area. The fast-growing Hohai University, Xi'an Jiaotong University, East China Jiaotong University take 10.29% of patent filing during this period.
Jiangsu Sheng, China
Patent: 6
Shaanxi Sheng, China
Patent: 4
Jiangxi Sheng, China
Patent: 4
Hunan Sheng, China
Patent: 4
Fukuoka-ken, Japan
Patent: 4
Jiangxi Sheng, China
Patent: 3
Beijing Shi, China
Patent: 3
Zhejiang Sheng, China
Patent: 3
Jiangsu Sheng, China
Patent: 3
With the analysis among related 136 patents in last 5 years, we discover 60 new entrants. East China Jiaotong University, Central South University, Kyushu University are the most active new entrants in this area.
Jiangxi Sheng, China
Patent: 4
Hunan Sheng, China
Patent: 4
Fukuoka-ken, Japan
Patent: 4
Jiangxi Sheng, China
Patent: 3
Zhejiang Sheng, China
Patent: 3
Jiangsu Sheng, China
Patent: 3
Tianjin Shi, China
Patent: 3
Sichuan Sheng, China
Patent: 3
Zhejiang Sheng, China
Patent: 3
California, United States
Patent: 3
With the analysis among 172 patents, we discovered top 57 universities and scientific research institutions by total patent application. Hohai University, Xi'an Jiaotong University, China University of Petroleum (East China) are dominant in this area. They take 11.63% of the total patent filing.
Jiangsu Sheng, China
Patent: 8
Shaanxi Sheng, China
Patent: 5
Shandong Sheng, China
Patent: 5
Beijing Shi, China
Patent: 5
Hunan Sheng, China
Patent: 4
Fukuoka-ken, Japan
Patent: 4
Jiangxi Sheng, China
Patent: 4
Massachusetts, United States
Patent: 3
Shanghai Shi, China
Patent: 3
Zhejiang Sheng, China
Patent: 3