With the analysis among 1,098 patents, we discovered top 471 key players by total patent application. Hitachi Ltd., Envera LLC, Earth Tech, Inc. are dominant in this area. They take 4.74% of the total patent filing.
Tokyo-to, Japan
Patent: 12
Pennsylvania, United States
Patent: 11
Hubei Sheng, China
Patent: 9
New York, United States
Patent: 8
Jiangsu Sheng, China
Patent: 8
Hebei Sheng, China
Patent: 7
With the analysis among 26 patents, we discovered top 12 start-ups by total patent application. Is CLEAN AIR Italia SRL, Waymo LLC, SZ DJI Technology Co., Ltd. are active in this area.
California, United States
Patent: 6
Guangdong Sheng, China
Patent: 2
Beijing Shi, China
Patent: 2
New Jersey, United States
Patent: 1
Beijing Shi, China
Patent: 1
Hyogo-ken, Japan
Patent: 1
Beijing Shi, China
Patent: 1
Beijing Shi, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
With the analysis among related 781 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing Jinan University, Guangdong University of Technology, Changzhou University take 3.84% of patent filing during this period.
Guangdong Sheng, China
Patent: 11
Guangdong Sheng, China
Patent: 10
Jiangsu Sheng, China
Patent: 9
Hebei Sheng, China
Patent: 7
Jiangsu Sheng, China
Patent: 6
Shanghai Shi, China
Patent: 6
Zhejiang Sheng, China
Patent: 5
Beijing Shi, China
Patent: 5
Shanghai Shi, China
Patent: 5
Pennsylvania, United States
Patent: 5
With the analysis among related 781 patents in last 5 years, we discover 442 new entrants. Hebei Cixin Environmental Protection Technology Co., Ltd., Jiangsu Bio-Environmental Technology Co., Ltd., Shanghai Huipeng Environmental Technology Co., Ltd. are the most active new entrants in this area.
Hebei Sheng, China
Patent: 7
Jiangsu Sheng, China
Patent: 6
Shanghai Shi, China
Patent: 6
Beijing Shi, China
Patent: 5
Pennsylvania, United States
Patent: 5
Hovedstaden, Denmark
Patent: 5
Shandong Sheng, China
Patent: 5
Beijing Shi, China
Patent: 5
Jiangsu Sheng, China
Patent: 4
Guangdong Sheng, China
Patent: 4
With the analysis among 590 patents, we discovered top 188 universities and scientific research institutions by total patent application. Yangzhou University, Jinan University, Guangdong University of Technology are dominant in this area. They take 7.46% of the total patent filing.
Jiangsu Sheng, China
Patent: 19
Guangdong Sheng, China
Patent: 13
Guangdong Sheng, China
Patent: 12
Zhejiang Sheng, China
Patent: 12
Tianjin Shi, China
Patent: 12
Jiangsu Sheng, China
Patent: 10
Shanghai Shi, China
Patent: 9
Shanghai Shi, China
Patent: 8
Tianjin Shi, China
Patent: 8