With the analysis among 1,845 patents, we discovered top 491 key players by total patent application. China Petroleum & Chemical Corp., State Grid Corp. of China, Tenneco Automotive Operating Co., Inc. are dominant in this area. They take 2.17% of the total patent filing.
Beijing Shi, China
Patent: 16
Beijing Shi, China
Patent: 14
Illinois, United States
Patent: 10
Henan Sheng, China
Patent: 10
Anhui Sheng, China
Patent: 10
Anhui Sheng, China
Patent: 8
North Carolina, United States
Patent: 6
Shandong Sheng, China
Patent: 6
Beijing Shi, China
Patent: 5
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With the analysis among related 410 patents applied in the last 5 years. We discover 351 most active companies in this area. The fast-growing China Petroleum & Chemical Corp., Huadian Electric Power Research Institute Co., Ltd., Hebi Bowen Kefeng Catalytic Technology Co., Ltd. take 2.93% of patent filing during this period.
Beijing Shi, China
Patent: 6
Zhejiang Sheng, China
Patent: 3
Henan Sheng, China
Patent: 3
Henan Sheng, China
Patent: 3
Hunan Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Gansu Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Shandong Sheng, China
Patent: 2
With the analysis among related 410 patents in last 5 years, we discover 318 new entrants. Hebi Bowen Kefeng Catalytic Technology Co., Ltd., Xinxiang Ai Clean Technology Co., Ltd., Datang Huayin Electric Power Co., Ltd. are the most active new entrants in this area.
Henan Sheng, China
Patent: 3
Henan Sheng, China
Patent: 3
Hunan Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Gansu Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Hubei Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Shanghai Shi, China
Patent: 2
With the analysis among 155 patents, we discovered top 69 universities and scientific research institutions by total patent application. JiShou University, Kunming University of Science & Technology, Yangtze University are dominant in this area. They take 7.10% of the total patent filing.
Hunan Sheng, China
Patent: 4
Yunnan Sheng, China
Patent: 4
Hubei Sheng, China
Patent: 3
Sichuan Sheng, China
Patent: 3
Chongqing Shi, China
Patent: 3
Shaanxi Sheng, China
Patent: 3
Shanghai Shi, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Tianjin Shi, China
Patent: 2
Xinjiang Uygur Zizhiqu, China
Patent: 2