With the analysis among 1,344 patents, we discovered top 453 key players by total patent application. China FAW Co., Ltd., Johnson Matthey Plc, Amminex Emissions Technology A/S are dominant in this area. They take 14.66% of the total patent filing.
Jilin Sheng, China
Patent: 70
Hovedstaden, Denmark
Patent: 63
Jilin Sheng, China
Patent: 51
Shandong Sheng, China
Patent: 35
Guangdong Sheng, China
Patent: 33
GM Global Technology Operations LLC
Michigan, United States
Patent: 32
Jilin Sheng, China
Patent: 27
Ford Global Technologies LLC
Michigan, United States
Patent: 26
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With the analysis among related 552 patents applied in the last 5 years. We discover 276 most active companies in this area. The fast-growing Zhanjiang Mike Chemical Energy Source Co. Ltd., Weichai Power Co., Ltd., Johnson Matthey Plc take 14.67% of patent filing during this period.
Guangdong Sheng, China
Patent: 33
Shandong Sheng, China
Patent: 28
Jilin Sheng, China
Patent: 19
Heilongjiang Sheng, China
Patent: 10
Zhejiang Sheng, China
Patent: 9
Shaanxi Sheng, China
Patent: 8
With the analysis among related 552 patents in last 5 years, we discover 231 new entrants. Zhanjiang Mike Chemical Energy Source Co. Ltd., Harbin Engineering University, Xi'an Jiaotong University are the most active new entrants in this area.
Guangdong Sheng, China
Patent: 33
Heilongjiang Sheng, China
Patent: 10
Shaanxi Sheng, China
Patent: 8
Shandong Sheng, China
Patent: 8
Shaanxi Sheng, China
Patent: 7
Beijing Shi, China
Patent: 5
Kanagawa-ken, Japan
Patent: 5
Hubei Sheng, China
Patent: 5
Gyeonggi-do, South Korea
Patent: 5
With the analysis among 120 patents, we discovered top 49 universities and scientific research institutions by total patent application. Harbin Engineering University, Xi'an Jiaotong University, Shanghai Jiao Tong University are dominant in this area. They take 20.83% of the total patent filing.
Heilongjiang Sheng, China
Patent: 10
Shaanxi Sheng, China
Patent: 8
Shanghai Shi, China
Patent: 7
Hiroshima-ken, Japan
Patent: 4
Beijing Shi, China
Patent: 4
Jiangsu Sheng, China
Patent: 4
Shanghai Shi, China
Patent: 3
Zhejiang Sheng, China
Patent: 3
Fujian Sheng, China
Patent: 3
Shandong Sheng, China
Patent: 3