With the analysis among 36,750 patents, we discovered top 489 key players by total patent application. Honda Motor Co., Ltd., Donaldson Co., Inc., Matsushita Electronics Corp. are dominant in this area. They take 11.71% of the total patent filing.
Tokyo-to, Japan
Patent: 2,157
Minnesota, United States
Patent: 1,173
Matsushita Electronics Corp.
Osaka-fu, Japan
Patent: 972
Tokyo-to, Japan
Patent: 947
Aichi-ken, Japan
Patent: 547
Mitsubishi Electric Corp.
Tokyo-to, Japan
Patent: 477
Osaka-fu, Japan
Patent: 468
Tokyo-to, Japan
Patent: 459
With the analysis among 122 patents, we discovered top 26 start-ups by total patent application. Aisin KK, Beijing Zhimi Technology Co., Ltd., Agentis Air LLC are active in this area.
Tokyo-to, Japan
Patent: 41
Beijing Zhimi Technology Co., Ltd.
Beijing Shi, China
Patent: 15
Beijing 352 Environmental Protection Technology Co. Ltd.
Beijing Shi, China
Patent: 9
Beijing Shi, China
Patent: 7
Anhui Sheng, China
Patent: 5
Beijing Yifeng Technology Co. Ltd.
Beijing Shi, China
Patent: 3
Andhra Pradesh, India
Patent: 3
Avionics Zhonghe Shandong Medical Technology Co., Ltd.
Shandong Sheng, China
Patent: 3
With the analysis among related 7,336 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing LG Electronics, Inc., Honda Motor Co., Ltd., Donaldson Co., Inc. take 9.77% of patent filing during this period.
Tokyo-to, Japan
Patent: 248
Minnesota, United States
Patent: 185
Great Wall Motor Co., Ltd.
Hebei Sheng, China
Patent: 88
Toyama-ken, Japan
Patent: 66
Gree Electric Appliances, Inc. of Zhuhai
Guangdong Sheng, China
Patent: 55
Aichi-ken, Japan
Patent: 51
Tokyo-to, Japan
Patent: 49
With the analysis among related 7,336 patents in last 5 years, we discover 254 new entrants. Wuxi Yili Environmental Protection Technology Co Ltd., Koito Manufacturing Co., Ltd., Volvo Lastvagnar AB are the most active new entrants in this area.
Wuxi Yili Environmental Protection Technology Co Ltd.
Jiangsu Sheng, China
Patent: 28
Koito Manufacturing Co., Ltd.
Tokyo-to, Japan
Patent: 19
FAW Jiefang Automotive Co. Ltd.
Jilin Sheng, China
Patent: 16
Changchun Automobile Filter Co., Ltd.
Jilin Sheng, China
Patent: 14
Segway Technology Co., Ltd.
Jiangsu Sheng, China
Patent: 13
Beijing Anheng Filter Co., Ltd.
Beijing Shi, China
Patent: 13
Changzhou Hengbo Filter Co., Ltd.
Jiangsu Sheng, China
Patent: 13
Zhejiang Hongrui Auto Parts Co., Ltd.
Zhejiang Sheng, China
Patent: 9
Anhui Dahe Filter Co., Ltd.
Anhui Sheng, China
Patent: 9
With the analysis among 1,390 patents, we discovered top 249 universities and scientific research institutions by total patent application. Zhejiang University, Tianjin University, Xi'an Polytechnic University are dominant in this area. They take 5.54% of the total patent filing.
Zhejiang Sheng, China
Patent: 18
Tianjin Shi, China
Patent: 14
Xi'an Polytechnic University
Shaanxi Sheng, China
Patent: 13
Beijing Shi, China
Patent: 11
Jiangsu Sheng, China
Patent: 11
Jilin Sheng, China
Patent: 10
Shandong University of Science & Technology
Shandong Sheng, China
Patent: 10
Guangdong Polytechnic Normal University
Guangdong Sheng, China
Patent: 9
Ulsan National Institute of Science & Technology
Henan Sheng, China
Patent: 9