With the analysis among 903 patents, we discovered top 477 key players by total patent application. Hitachi Construction Machinery Co., Ltd., Komatsu Ltd., China National Petroleum Corp. are dominant in this area. They take 9.75% of the total patent filing.
Tokyo-to, Japan
Patent: 35
Chiba-ken, Japan
Patent: 28
Beijing Shi, China
Patent: 25
Beijing Shi, China
Patent: 16
Beijing Shi, China
Patent: 16
Illinois, United States
Patent: 13
Aichi-ken, Japan
Patent: 10
Tokyo-to, Japan
Patent: 10
Xinjiang Uygur Zizhiqu, China
Patent: 10
Sinopec Petroleum Engineering Technology Service Co. Ltd.
Beijing Shi, China
Patent: 9
With the analysis among 1 patents, we discovered top 1 start-ups by total patent application.
Texas, United States
Patent: 1
With the analysis among related 185 patents applied in the last 5 years. We discover 149 most active companies in this area. The fast-growing Southwest Petroleum University, China National Petroleum Corp., China Petroleum & Chemical Corp. take 10.81% of patent filing during this period.
Sichuan Sheng, China
Patent: 9
Beijing Shi, China
Patent: 7
Beijing Shi, China
Patent: 4
Xinjiang Uygur Zizhiqu, China
Patent: 4
Shandong Sheng, China
Patent: 3
Beijing Shi, China
Patent: 3
Beijing Shi, China
Patent: 3
Guangdong Sheng, China
Patent: 3
Shaanxi Sheng, China
Patent: 2
Shanxi Sheng, China
Patent: 2
With the analysis among related 185 patents in last 5 years, we discover 118 new entrants. Qingdao Daneng Environmental Protection Equipment Co., Ltd., Guangdong Jiayi Instrument Group Co., Ltd., Yuangong Energy Technology Group Co., Ltd. are the most active new entrants in this area.
Shandong Sheng, China
Patent: 3
Guangdong Sheng, China
Patent: 3
Shanxi Sheng, China
Patent: 2
Shandong Sheng, China
Patent: 2
Beijing Shi, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Overijssel, Netherlands
Patent: 2
Beijing Shi, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
With the analysis among 210 patents, we discovered top 74 universities and scientific research institutions by total patent application. China Petroleum University Beijing, Southwest Petroleum University, Shandong University of Science & Technology are dominant in this area. They take 20.00% of the total patent filing.
Beijing Shi, China
Patent: 18
Sichuan Sheng, China
Patent: 15
Shandong Sheng, China
Patent: 6
Jilin Sheng, China
Patent: 5
Shandong Sheng, China
Patent: 5
Henan Sheng, China
Patent: 5
Shaanxi Sheng, China
Patent: 4
Jiangsu Sheng, China
Patent: 4
Hunan Sheng, China
Patent: 3
Zhejiang Sheng, China
Patent: 3