With the analysis among 49 patents, we discovered top 21 key players by total patent application. UT-Battelle LLC, Aviana Molecular Technologies LLC, Kobe Steel, Ltd. are dominant in this area. They take 40.82% of the total patent filing.  
Tennessee, United States
Patent: 9
Aviana Molecular Technologies LLC
Fukuoka-ken, Japan
Patent: 3
Michigan, United States
Patent: 2
Illinois, United States
Patent: 1
Minnesota, United States
Patent: 1
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With the analysis among related 22 patents applied in the last 5 years. We discover 11 most active companies in this area. The fast-growing Aviana Molecular Technologies LLC, École Polytechnique Fédérale de Lausanne, UT-Battelle LLC take 72.73% of patent filing during this period.  
Aviana Molecular Technologies LLC
École Polytechnique Fédérale de Lausanne
Vaud, Switzerland
Patent: 5
Tennessee, United States
Patent: 3
Beijing Newison Construction Engineering Technology Co Ltd.
Beijing Shi, China
Patent: 1
China Jingye Engineering Corp. Ltd.
Beijing Shi, China
Patent: 1
Guangdong University of Technology
Guangdong Sheng, China
Patent: 1
Central Research Institute of Bldg & Construction Co., Ltd.
Beijing Shi, China
Patent: 1
First Heavy Group (Tianjin) New Materials Co., Ltd.
Tianjin Shi, China
Patent: 1
Beijing Normal University
Beijing Shi, China
Patent: 1
With the analysis among related 22 patents in last 5 years, we discover 9 new entrants. Aviana Molecular Technologies LLC, École Polytechnique Fédérale de Lausanne, DY POWER Corp. are the most active new entrants in this area.  
Aviana Molecular Technologies LLC
École Polytechnique Fédérale de Lausanne
Vaud, Switzerland
Patent: 5
Beijing Newison Construction Engineering Technology Co Ltd.
Beijing Shi, China
Patent: 1
China Jingye Engineering Corp. Ltd.
Beijing Shi, China
Patent: 1
Guangdong University of Technology
Guangdong Sheng, China
Patent: 1
Central Research Institute of Bldg & Construction Co., Ltd.
Beijing Shi, China
Patent: 1
First Heavy Group (Tianjin) New Materials Co., Ltd.
Tianjin Shi, China
Patent: 1
Beijing Normal University
Beijing Shi, China
Patent: 1
With the analysis among 10 patents, we discovered top 5 universities and scientific research institutions by total patent application. École Polytechnique Fédérale de Lausanne, Beijing Normal University, Wuhan University are dominant in this area. They take 70.00% of the total patent filing.  
École Polytechnique Fédérale de Lausanne
Vaud, Switzerland
Patent: 5
Beijing Normal University
Beijing Shi, China
Patent: 1
Hubei Sheng, China
Patent: 1
Guangdong University of Technology
Guangdong Sheng, China
Patent: 1
Nanjing University of Posts & Telecommunications
Jiangsu Sheng, China
Patent: 1