With the analysis among 2,265 patents, we discovered top 491 key players by total patent application. State Grid Corp. of China, Xuzhou Construction Machinery Co. Ltd., China National Petroleum Corp. are dominant in this area. They take 3.13% of the total patent filing.
Beijing Shi, China
Patent: 30
Jiangsu Sheng, China
Patent: 26
Beijing Shi, China
Patent: 15
Shaanxi Sheng, China
Patent: 15
Gansu Sheng, China
Patent: 14
Zhejiang Sheng, China
Patent: 13
Jiangsu Sheng, China
Patent: 10
Shanghai Shi, China
Patent: 10
Beijing Shi, China
Patent: 9
Beijing Shi, China
Patent: 9
With the analysis among 3 patents, we discovered top 1 start-ups by total patent application.
Guangdong Sheng, China
Patent: 3
With the analysis among related 641 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing Tianjin Xiangyue Sealing Material Co., Ltd., Jiangsu Sanyi Pipe Industry Co., Ltd., changzhou institute of engineering technology take 1.56% of patent filing during this period.
Tianjin Shi, China
Patent: 4
Jiangsu Sheng, China
Patent: 3
changzhou institute of engineering technology
Jiangsu Sheng, China
Patent: 3
Sinopec Petroleum Engineering Technology Service Co. Ltd.
Beijing Shi, China
Patent: 3
Guoyang Huarui New Building Materials Co., Ltd.
Anhui Sheng, China
Patent: 3
Beijing Shi, China
Patent: 3
Firestone (Tianjin) Technology Development Co., Ltd.
Tianjin Shi, China
Patent: 3
Shandong Sheng, China
Patent: 2
Henan Sheng, China
Patent: 2
Hainan Sheng, China
Patent: 2
With the analysis among related 641 patents in last 5 years, we discover 416 new entrants. Jiangsu Sanyi Pipe Industry Co., Ltd., Guoyang Huarui New Building Materials Co., Ltd., Firestone (Tianjin) Technology Development Co., Ltd. are the most active new entrants in this area.
Jiangsu Sheng, China
Patent: 3
Guoyang Huarui New Building Materials Co., Ltd.
Anhui Sheng, China
Patent: 3
Firestone (Tianjin) Technology Development Co., Ltd.
Tianjin Shi, China
Patent: 3
Shandong Sheng, China
Patent: 2
Henan Sheng, China
Patent: 2
Henan Sheng, China
Patent: 2
Shandong Sheng, China
Patent: 2
Shandong Sheng, China
Patent: 2
Henan Sheng, China
Patent: 2
Fujian Sheng, China
Patent: 2
With the analysis among 224 patents, we discovered top 91 universities and scientific research institutions by total patent application. China Three Gorges University, Harbin University of Science & Technology, China University of Petroleum (East China) are dominant in this area. They take 9.38% of the total patent filing.
Hubei Sheng, China
Patent: 10
Heilongjiang Sheng, China
Patent: 7
Shandong Sheng, China
Patent: 4
Shaanxi Sheng, China
Patent: 4
Zhejiang Sheng, China
Patent: 4
Liaoning Sheng, China
Patent: 3
Shaanxi Sheng, China
Patent: 3
Fujian Sheng, China
Patent: 3
Henan Mechanical & Electrical Vocational College
Henan Sheng, China
Patent: 3
Jilin Sheng, China
Patent: 2