With the analysis among 752 patents, we discovered top 322 key players by total patent application. Annikki GmbH, Yuanjiang Hualong Catalytic Technology Co., Ltd., Bayer AG are dominant in this area. They take 8.64% of the total patent filing.
Steiermark, Austria
Patent: 26
Hunan Sheng, China
Patent: 21
Nordrhein-Westfalen, Germany
Patent: 18
Illinois, United States
Patent: 16
Michigan, United States
Patent: 15
Hunan Sheng, China
Patent: 14
Tokyo-to, Japan
Patent: 13
With the analysis among 1 patents, we discovered top 1 start-ups by total patent application.
Illinois, United States
Patent: 1
With the analysis among related 283 patents applied in the last 5 years. We discover 157 most active companies in this area. The fast-growing Hunan University of Science & Engineering, Yuanjiang Hualong Catalytic Technology Co., Ltd., Changsha Materials Technology Co., Ltd. take 15.55% of patent filing during this period.
Hunan University of Science & Engineering
Hunan Sheng, China
Patent: 15
Hunan Sheng, China
Patent: 15
Hunan Sheng, China
Patent: 14
Xinjiang Uygur Zizhiqu, China
Patent: 9
Hunan Sheng, China
Patent: 8
Hunan Sheng, China
Patent: 6
Shandong Sheng, China
Patent: 5
Zhejiang Sheng, China
Patent: 5
Central Region, Singapore
Patent: 5
With the analysis among related 283 patents in last 5 years, we discover 110 new entrants. Changsha Materials Technology Co., Ltd., Xinjiang Puhesu New Environmental Protection Materials Co., Ltd., Shandong Hengxin Pharmacy Co. Ltd. are the most active new entrants in this area.
Hunan Sheng, China
Patent: 14
Xinjiang Uygur Zizhiqu, China
Patent: 9
Shandong Sheng, China
Patent: 5
Central Region, Singapore
Patent: 5
Niedersachsen, Germany
Patent: 4
Jiangsu Sheng, China
Patent: 3
MPM Environment Intelligence GmbH
Hunan Sheng, China
Patent: 3
Shanghai Shi, China
Patent: 3
Zhejiang Sheng, China
Patent: 3
With the analysis among 407 patents, we discovered top 146 universities and scientific research institutions by total patent application. Hunan University of Science & Engineering, Xiangtan University, Henan Normal University are dominant in this area. They take 9.34% of the total patent filing.
Hunan University of Science & Engineering
Hunan Sheng, China
Patent: 17
Hunan Sheng, China
Patent: 11
Henan Sheng, China
Patent: 10
Hunan Sheng, China
Patent: 9
Zhejiang Sheng, China
Patent: 8
Shanghai Shi, China
Patent: 7
Liaoning Sheng, China
Patent: 7
Massachusetts, United States
Patent: 6
Zhejiang Sheng, China
Patent: 6
Gansu Sheng, China
Patent: 6