With the analysis among 841 patents, we discovered top 391 key players by total patent application. Exxon Research & Engineering Co., Toyobo Co., Ltd., Mitsubishi Electric Corp. are dominant in this area. They take 10.58% of the total patent filing.
Osaka-fu, Japan
Patent: 30
Tokyo-to, Japan
Patent: 26
Beijing Shi, China
Patent: 15
Pennsylvania, United States
Patent: 13
Minnesota, United States
Patent: 13
Nordrhein-Westfalen, Germany
Patent: 13
With the analysis among 2 patents, we discovered top 1 start-ups by total patent application.
ZURICH, Switzerland
Patent: 2
With the analysis among related 413 patents applied in the last 5 years. We discover 265 most active companies in this area. The fast-growing Toyobo Co., Ltd., Mitsubishi Electric Corp., Henan Polytechnic University take 7.99% of patent filing during this period.
Osaka-fu, Japan
Patent: 14
Tokyo-to, Japan
Patent: 10
Henan Sheng, China
Patent: 9
Shaanxi Sheng, China
Patent: 8
Shandong Sheng, China
Patent: 7
Shanxi Sheng, China
Patent: 6
Sichuan Sheng, China
Patent: 6
California, United States
Patent: 5
Guangdong Sheng, China
Patent: 5
With the analysis among related 413 patents in last 5 years, we discover 209 new entrants. Xi'an Thermal Power Research Institute Co., Ltd., Regents of the University of California, Guangzhou EP Environmental Ltd. are the most active new entrants in this area.
Shaanxi Sheng, China
Patent: 8
California, United States
Patent: 5
Guangdong Sheng, China
Patent: 5
Jiangsu Sheng, China
Patent: 4
Ibaraki-ken, Japan
Patent: 3
Guangdong Sheng, China
Patent: 2
Guangdong Sheng, China
Patent: 2
Beijing Shi, China
Patent: 2
With the analysis among 416 patents, we discovered top 132 universities and scientific research institutions by total patent application. Henan Polytechnic University, China University of Petroleum (East China), China University of Mining & Technology (Beijing) are dominant in this area. They take 11.06% of the total patent filing.
Henan Sheng, China
Patent: 22
Shandong Sheng, China
Patent: 13
China University of Mining & Technology (Beijing)
Beijing Shi, China
Patent: 11
Shanxi Sheng, China
Patent: 10
Castilla-La Mancha, Spain
Patent: 10
California, United States
Patent: 9
Sichuan Sheng, China
Patent: 8
Shandong Sheng, China
Patent: 7
Shaanxi Sheng, China
Patent: 7