With the analysis among 892 patents, we discovered top 470 key players by total patent application. TOSHIBA Corp., Siemens AG, DENSO Corp. are dominant in this area. They take 4.60% of the total patent filing.
Tokyo-to, Japan
Patent: 15
Bayern, Germany
Patent: 13
Aichi-ken, Japan
Patent: 13
Baden-Württemberg, Germany
Patent: 12
Beijing Shi, China
Patent: 11
Texas, United States
Patent: 9
With the analysis among 3 patents, we discovered top 3 start-ups by total patent application.
Lombardia, Italy
Patent: 1
Heilongjiang Sheng, China
Patent: 1
Guangdong Sheng, China
Patent: 1
With the analysis among related 497 patents applied in the last 5 years. We discover 323 most active companies in this area. The fast-growing China Aviation Industry Corporation Xi'an Aircraft Design Institute, Nanjing University of Aeronautics & Astronautics, Northwestern Polytechnical University take 8.65% of patent filing during this period.
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Patent: 25
Jiangsu Sheng, China
Patent: 9
Shaanxi Sheng, China
Patent: 9
Liaoning Sheng, China
Patent: 6
Jiangsu Sheng, China
Patent: 5
Shaanxi Sheng, China
Patent: 5
Zhejiang Sheng, China
Patent: 5
Heilongjiang Sheng, China
Patent: 4
Guangdong Sheng, China
Patent: 4
Jiangsu Sheng, China
Patent: 4
With the analysis among related 497 patents in last 5 years, we discover 276 new entrants. Suzhou Airi Filtration Technology Co., Ltd., Xi'an Jiaotong University, Hangzhou Dianzi University are the most active new entrants in this area.
Jiangsu Sheng, China
Patent: 5
Shaanxi Sheng, China
Patent: 5
Zhejiang Sheng, China
Patent: 5
Guangdong Sheng, China
Patent: 4
Jiangsu Sheng, China
Patent: 4
Niedersachsen, Germany
Patent: 4
Shanghai Shi, China
Patent: 4
Nordrhein-Westfalen, Germany
Patent: 3
Heilongjiang Sheng, China
Patent: 3
With the analysis among 415 patents, we discovered top 127 universities and scientific research institutions by total patent application. Northwestern Polytechnical University, Nanjing University of Aeronautics & Astronautics, Beihang University are dominant in this area. They take 15.42% of the total patent filing.
Shaanxi Sheng, China
Patent: 17
Jiangsu Sheng, China
Patent: 17
Beijing Shi, China
Patent: 14
Heilongjiang Sheng, China
Patent: 8
Jiangsu Sheng, China
Patent: 8
Beijing Shi, China
Patent: 6
Shaanxi Sheng, China
Patent: 6
Sichuan Sheng, China
Patent: 6
Jilin Sheng, China
Patent: 5
Shaanxi Sheng, China
Patent: 5