With the analysis among 3,669 patents, we discovered top 427 key players by total patent application. Toyota Motor Corp., Johnson Matthey Plc, Nissan Motor Co., Ltd. are dominant in this area. They take 32.00% of the total patent filing.
Tokyo-to, Japan
Patent: 659
United Kingdom
Patent: 268
Fukushima-ken, Japan
Patent: 247
Tokyo-to, Japan
Patent: 151
Ford Global Technologies LLC
Michigan, United States
Patent: 131
Brussels Hoofdstedelijk Gewest, Belgium
Patent: 128
Kanagawa-ken, Japan
Patent: 104
Tokyo-to, Japan
Patent: 103
Aichi-ken, Japan
Patent: 96
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With the analysis among related 591 patents applied in the last 5 years. We discover 182 most active companies in this area. The fast-growing Toyota Motor Corp., Johnson Matthey Plc, Umicore take 30.96% of patent filing during this period.
Tokyo-to, Japan
Patent: 73
Brussels Hoofdstedelijk Gewest, Belgium
Patent: 40
New Jersey, United States
Patent: 23
GM Global Technology Operations LLC
Michigan, United States
Patent: 14
Jiangsu Sheng, China
Patent: 12
Niedersachsen, Germany
Patent: 11
Aichi-ken, Japan
Patent: 10
With the analysis among related 591 patents in last 5 years, we discover 120 new entrants. Liuzhou Lihe Exhaust Control System Co., Ltd., Anhui Yuan Chen Environmental Protection Technology Co. Ltd., Yonsei Industry-Academic Cooperation Foundation are the most active new entrants in this area.
Guangxi Zhuangzu Zizhiqu, China
Patent: 8
Anhui Sheng, China
Patent: 4
Sichuan Sheng, China
Patent: 3
Jiangsu Sheng, China
Patent: 3
Jilin Sheng, China
Patent: 3
Fujian Zhaori Environmental Protection Sci-Tech Development
Fujian Sheng, China
Patent: 3
Chenzhou Baiyi Environmental Protection High-tech Materials Co., Ltd.
Hunan Sheng, China
Patent: 3
Sichuan Sheng, China
Patent: 3
With the analysis among 182 patents, we discovered top 63 universities and scientific research institutions by total patent application. Massachusetts Institute of Technology, Aristotle University of Thessaloniki, Fuzhou University are dominant in this area. They take 21.98% of the total patent filing.
Massachusetts, United States
Patent: 26
Fujian Sheng, China
Patent: 7
Liaoning Sheng, China
Patent: 6
Tianjin Shi, China
Patent: 4
Zhejiang Sheng, China
Patent: 3
Jiangsu Sheng, China
Patent: 3
Sichuan Sheng, China
Patent: 3
Ningbo University of Technology
Zhejiang Sheng, China
Patent: 3