With the analysis among 6,760 patents, we discovered top 487 key players by total patent application. Robert Bosch GmbH, Kobelco Construction Machinery Co. Ltd., Komatsu Ltd. are dominant in this area. They take 4.91% of the total patent filing.
Baden-Württemberg, Germany
Patent: 203
Tokyo-to, Japan
Patent: 65
Chiba-ken, Japan
Patent: 64
Baden-Württemberg, Germany
Patent: 59
Michigan, United States
Patent: 50
Beijing Shi, China
Patent: 48
Tokyo-to, Japan
Patent: 48
Beijing Shi, China
Patent: 47
Bayern, Germany
Patent: 44
With the analysis among 29 patents, we discovered top 12 start-ups by total patent application. Aisin KK, Shanghai Xingrong Automobile Technology Co. Ltd., Softhale NV are active in this area.
Tokyo-to, Japan
Patent: 12
Shanghai Shi, China
Patent: 3
Guangdong Sheng, China
Patent: 2
New York, United States
Patent: 2
Beijing Shi, China
Patent: 1
California, United States
Patent: 1
Guangdong Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1
With the analysis among related 2,411 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing China National Petroleum Corp., PetroChina Co., Ltd., China Petroleum & Chemical Corp. take 2.82% of patent filing during this period.
Beijing Shi, China
Patent: 25
Beijing Shi, China
Patent: 23
Beijing Shi, China
Patent: 20
Baden-Württemberg, Germany
Patent: 19
Shandong Sheng, China
Patent: 18
Sichuan Sheng, China
Patent: 14
Bayern, Germany
Patent: 14
Tokyo-to, Japan
Patent: 13
Sinopec Petroleum Engineering Technology Service Co. Ltd.
Beijing Shi, China
Patent: 13
With the analysis among related 2,411 patents in last 5 years, we discover 397 new entrants. Equinor Energy AS, Shandong Zhongtan Machinery Co., Ltd., Guangdong Shunde Gao Kefei Electric Appliance Manufacturing Co., Ltd. are the most active new entrants in this area.
Rogaland, Norway
Patent: 10
Shandong Sheng, China
Patent: 10
Guangdong Sheng, China
Patent: 8
Guangdong Sheng, China
Patent: 7
Zhongke Liquid Sunshine (Suzhou) Hydrogen Energy Technology Development Co., Ltd.
Jiangsu Sheng, China
Patent: 6
Henan Sheng, China
Patent: 6
Shandong Sheng, China
Patent: 6
Yunnan Sheng, China
Patent: 6
Shaanxi Sheng, China
Patent: 5
Minnesota, United States
Patent: 5
With the analysis among 569 patents, we discovered top 141 universities and scientific research institutions by total patent application. Southwest Petroleum University, China University of Petroleum (East China), China Petroleum University Beijing are dominant in this area. They take 15.29% of the total patent filing.
Sichuan Sheng, China
Patent: 37
Shandong Sheng, China
Patent: 20
Beijing Shi, China
Patent: 17
Shaanxi Sheng, China
Patent: 10
Jiangsu Sheng, China
Patent: 10
Jilin Sheng, China
Patent: 8
Jiangsu Sheng, China
Patent: 7
Shandong Sheng, China
Patent: 6
Zhejiang Sheng, China
Patent: 6
Yunnan Sheng, China
Patent: 6