With the analysis among 832 patents, we discovered top 308 key players by total patent application. Mitsui Chemicals, Inc., UBE Kogyo KK, Ciba-Geigy AG are dominant in this area. They take 10.82% of the total patent filing.
Tokyo-to, Japan
Patent: 45
Pennsylvania, United States
Patent: 16
Hokkaido, Japan
Patent: 15
Nordrhein-Westfalen, Germany
Patent: 14
Delaware, United States
Patent: 11
Osaka-fu, Japan
Patent: 10
Tokyo-to, Japan
Patent: 10
With the analysis among 1 patents, we discovered top 1 start-ups by total patent application.
Devon, United Kingdom
Patent: 1
With the analysis among related 101 patents applied in the last 5 years. We discover 82 most active companies in this area. The fast-growing Purification Equipment Research Institute of CSIC, Lanzhou Institute of Chemical Physics, Sichuan Honghua Enterprise Co. take 10.89% of patent filing during this period.
Hebei Sheng, China
Patent: 6
Gansu Sheng, China
Patent: 3
Sichuan Sheng, China
Patent: 2
Zhongrong Shengyu Energy Technology Co., Ltd.
Yunnan Sheng, China
Patent: 2
Tianjin Shi, China
Patent: 2
Beijing Shi, China
Patent: 2
Hubei Sheng, China
Patent: 2
With the analysis among related 101 patents in last 5 years, we discover 73 new entrants. Sichuan Honghua Enterprise Co., Tokyo Electron Ltd., Huntsman Advanced Materials Licensing (Switzerland) GmbH are the most active new entrants in this area.
Sichuan Sheng, China
Patent: 2
Zhongrong Shengyu Energy Technology Co., Ltd.
Yunnan Sheng, China
Patent: 2
Tianjin Shi, China
Patent: 2
Beijing Shi, China
Patent: 2
Hubei Sheng, China
Patent: 2
Shaanxi Sheng, China
Patent: 2
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Patent: 2
With the analysis among 135 patents, we discovered top 59 universities and scientific research institutions by total patent application. Guangdong University of Technology, Council of Scientific & Industrial Research, Donghua University are dominant in this area. They take 10.37% of the total patent filing.
Guangdong Sheng, China
Patent: 6
Shanghai Shi, China
Patent: 4
Gansu Sheng, China
Patent: 4
Yamagata-ken, Japan
Patent: 3
Jilin Sheng, China
Patent: 3
Tianjin Shi, China
Patent: 3
Kanagawa-ken, Japan
Patent: 2
Jiangsu Sheng, China
Patent: 2
Shaanxi Sheng, China
Patent: 2