With the analysis among 8,149 patents, we discovered top 479 key players by total patent application. China Petroleum & Chemical Corp., Weichai Power Co., Ltd., Midea Group Co. Ltd. are dominant in this area. They take 2.83% of the total patent filing.
Beijing Shi, China
Patent: 110
Shandong Sheng, China
Patent: 66
Guangdong Sheng, China
Patent: 55
Jiangsu Sheng, China
Patent: 55
Jiangsu Sheng, China
Patent: 46
Guangdong Sheng, China
Patent: 42
Shandong Sheng, China
Patent: 42
Beijing Shi, China
Patent: 40
Shaanxi Sheng, China
Patent: 37
With the analysis among 12 patents, we discovered top 8 start-ups by total patent application. Upwing Energy, Inc., Fuya Tech, Wm. Wrigley Jr. Co. are active in this area.
California, United States
Patent: 4
Zhejiang Sheng, China
Patent: 2
Illinois, United States
Patent: 1
Beijing Shi, China
Patent: 1
Shandong Sheng, China
Patent: 1
Aberdeen City, United Kingdom
Patent: 1
With the analysis among related 5,756 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing Weichai Power Co., Ltd., China Petroleum & Chemical Corp., Midea Group Co. Ltd. take 2.99% of patent filing during this period.
Shandong Sheng, China
Patent: 63
Beijing Shi, China
Patent: 62
Guangdong Sheng, China
Patent: 47
Jiangsu Sheng, China
Patent: 44
Shaanxi Sheng, China
Patent: 43
Shandong Sheng, China
Patent: 42
Guangdong Sheng, China
Patent: 41
Jiangsu Sheng, China
Patent: 35
Shaanxi Sheng, China
Patent: 33
Jiangsu Sheng, China
Patent: 31
With the analysis among related 5,756 patents in last 5 years, we discover 322 new entrants. Weichai Power Air Purification Technology Co., Ltd., Wuxi Yili Environmental Protection Technology Co Ltd., Hebei Yili Technology Co., Ltd. are the most active new entrants in this area.
Shandong Sheng, China
Patent: 42
Jiangsu Sheng, China
Patent: 35
Hebei Sheng, China
Patent: 26
Guangxi Zhuangzu Zizhiqu, China
Patent: 17
Jiangsu Sheng, China
Patent: 16
Sichuan Sheng, China
Patent: 15
Heilongjiang Sheng, China
Patent: 12
Shanghai Shi, China
Patent: 11
Hebei Sheng, China
Patent: 11
With the analysis among 1,852 patents, we discovered top 202 universities and scientific research institutions by total patent application. Xi'an Jiaotong University, East China University of Science & Technology, China University of Petroleum (East China) are dominant in this area. They take 8.91% of the total patent filing.
Shaanxi Sheng, China
Patent: 56
Shanghai Shi, China
Patent: 55
Shandong Sheng, China
Patent: 43
Sichuan Sheng, China
Patent: 42
Zhejiang Sheng, China
Patent: 40
Beijing Shi, China
Patent: 40
Shaanxi Sheng, China
Patent: 37
Heilongjiang Sheng, China
Patent: 34
Jiangsu Sheng, China
Patent: 32
Beijing Shi, China
Patent: 31