With the analysis among 183 patents, we discovered top 53 key players by total patent application. Beijing Hengxin Chemical Co., Ltd., L'Air Liquide SA, Changyi Rongxin Chemical Co., Ltd. are dominant in this area. They take 30.60% of the total patent filing.
Beijing Hengxin Chemical Co., Ltd.
Beijing Shi, China
Patent: 23
Changyi Rongxin Chemical Co., Ltd.
Shandong Sheng, China
Patent: 16
Mine Safety Appliances Co. LLC
Pennsylvania, United States
Patent: 7
Beijing Tongfang Clean Technology Co., Ltd.
Beijing Shi, China
Patent: 6
China National Coal Group Corp.
Beijing Shi, China
Patent: 5
Schleswig-Holstein, Germany
Patent: 4
Lockheed Missiles & Space Co.
California, United States
Patent: 4
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With the analysis among related 55 patents applied in the last 5 years. We discover 16 most active companies in this area. The fast-growing Changyi Rongxin Chemical Co., Ltd., Beijing Hengxin Chemical Co., Ltd., Beijing Tongfang Clean Technology Co., Ltd. take 67.27% of patent filing during this period.
Changyi Rongxin Chemical Co., Ltd.
Shandong Sheng, China
Patent: 16
Beijing Hengxin Chemical Co., Ltd.
Beijing Shi, China
Patent: 15
Beijing Tongfang Clean Technology Co., Ltd.
Beijing Shi, China
Patent: 6
Nanjing Zhongdianshi Nanotechnology Co., Ltd.
Jiangsu Sheng, China
Patent: 2
Shandong Xisace New Materials Technology Co., Ltd.
Shandong Sheng, China
Patent: 2
Hetaihui Precision Technology (Nanjing) Co., Ltd.
Jiangsu Sheng, China
Patent: 2
Ruijin (China) Biotechnology Co., Ltd.
Shanghai Shi, China
Patent: 1
Shanghai Huchao Sanitary Products Co., Ltd.
Shanghai Shi, China
Patent: 1
Changchun University of Technology
Jilin Sheng, China
Patent: 1
Chungcheongbuk-do, South Korea
Patent: 1
With the analysis among related 55 patents in last 5 years, we discover 15 new entrants. Changyi Rongxin Chemical Co., Ltd., Beijing Tongfang Clean Technology Co., Ltd., Nanjing Zhongdianshi Nanotechnology Co., Ltd. are the most active new entrants in this area.
Changyi Rongxin Chemical Co., Ltd.
Shandong Sheng, China
Patent: 16
Beijing Tongfang Clean Technology Co., Ltd.
Beijing Shi, China
Patent: 6
Nanjing Zhongdianshi Nanotechnology Co., Ltd.
Jiangsu Sheng, China
Patent: 2
Shandong Xisace New Materials Technology Co., Ltd.
Shandong Sheng, China
Patent: 2
Hetaihui Precision Technology (Nanjing) Co., Ltd.
Jiangsu Sheng, China
Patent: 2
Ruijin (China) Biotechnology Co., Ltd.
Shanghai Shi, China
Patent: 1
Shanghai Huchao Sanitary Products Co., Ltd.
Shanghai Shi, China
Patent: 1
Changchun University of Technology
Jilin Sheng, China
Patent: 1
Chungcheongbuk-do, South Korea
Patent: 1
Qi Nairun Technology (Shanghai) Co., Ltd
Shanghai Shi, China
Patent: 1
With the analysis among 27 patents, we discovered top 10 universities and scientific research institutions by total patent application. King Saud University, Gwangju Institute of Science & Technology, University of Science & Technology Beijing are dominant in this area. They take 29.63% of the total patent filing.
Gwangju Institute of Science & Technology
University of Science & Technology Beijing
Beijing Shi, China
Patent: 2
Fourth Military Medical University
Hunan Sheng, China
Patent: 1
Liaoning University of Petroleum & Chemical Technology
Liaoning Sheng, China
Patent: 1
Hunan Sheng, China
Patent: 1
Henan Polytechnic University
Henan Sheng, China
Patent: 1
Changchun University of Technology
Jilin Sheng, China
Patent: 1
Korea Advanced Institute of Science & Technology
China Petroleum University Beijing
Beijing Shi, China
Patent: 1