With the analysis among 439 patents, we discovered top 133 key players by total patent application. Hoechst AG, SANYO Electric Co., Ltd., Celanese Chemicals Europe GmbH are dominant in this area. They take 17.77% of the total patent filing.
Hessen, Germany
Patent: 38
California, United States
Patent: 22
Celanese Chemicals Europe GmbH
Wisconsin, United States
Patent: 16
Matsushita Electronics Corp.
Osaka-fu, Japan
Patent: 12
Hessen, Germany
Patent: 11
Nittetsu Mining Co., Ltd.
Shin-Kobe Electric Machinery Co., Ltd.
Celanese International Corp.
Texas, United States
Patent: 9
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With the analysis among related 51 patents applied in the last 5 years. We discover 29 most active companies in this area. The fast-growing Sumitomo Chemical Co., Ltd., United States Gypsum Co., West Anhui University take 39.22% of patent filing during this period.
Sumitomo Chemical Co., Ltd.
Illinois, United States
Patent: 7
Anhui Sheng, China
Patent: 6
Anhui Dezhengtang Pharmaceutical Group Co., Ltd.
Anhui Sheng, China
Patent: 2
Guangxi Zhuangzu Zizhiqu, China
Patent: 1
Henan University of Urban Construction
Henan Sheng, China
Patent: 1
Zhongke Hongxin (Changzhou) Sensing Technology Co., Ltd.
Jiangsu Sheng, China
Patent: 1
Hunan Sheng, China
Patent: 1
Illinois, United States
Patent: 1
With the analysis among related 51 patents in last 5 years, we discover 26 new entrants. Sumitomo Chemical Co., Ltd., Anhui Dezhengtang Pharmaceutical Group Co., Ltd., Preciosa as are the most active new entrants in this area.
Sumitomo Chemical Co., Ltd.
Anhui Dezhengtang Pharmaceutical Group Co., Ltd.
Anhui Sheng, China
Patent: 2
Guangxi Zhuangzu Zizhiqu, China
Patent: 1
Henan University of Urban Construction
Henan Sheng, China
Patent: 1
Zhongke Hongxin (Changzhou) Sensing Technology Co., Ltd.
Jiangsu Sheng, China
Patent: 1
Hunan Sheng, China
Patent: 1
Illinois, United States
Patent: 1
Guilin University of Technology
Guangxi Zhuangzu Zizhiqu, China
Patent: 1
Anhui National Defense Technology Vocational College
Anhui Sheng, China
Patent: 1
With the analysis among 73 patents, we discovered top 32 universities and scientific research institutions by total patent application. Guangxi Teachers Education University, West Anhui University, Ningbo University are dominant in this area. They take 30.14% of the total patent filing.
Guangxi Teachers Education University
Anhui Sheng, China
Patent: 8
Zhejiang Sheng, China
Patent: 3
Technical Institute of Physics & Chemistry CAS
Beijing Shi, China
Patent: 2
Shanghai Shi, China
Patent: 1
Jilin Sheng, China
Patent: 1
Hunan Sheng, China
Patent: 1
China Agricultural University
Beijing Shi, China
Patent: 1
Tokyo University of Science
Beijing Shi, China
Patent: 1