With the analysis among 227 patents, we discovered top 133 key players by total patent application. NOK Corp., Koninklijke Philips NV, AGC, Inc. (Japan) are dominant in this area. They take 11.01% of the total patent filing.
Tokyo-to, Japan
Patent: 11
Noord-Holland, Netherlands
Patent: 8
Aichi-ken, Japan
Patent: 5
No data, please try another search term
With the analysis among related 42 patents applied in the last 5 years. We discover 39 most active companies in this area. The fast-growing Shanghai Institute of Organic Chemistry, Tsinghua University, China University of Petroleum (East China) take 19.05% of patent filing during this period.
Shanghai Shi, China
Patent: 3
Beijing Shi, China
Patent: 3
Shandong Sheng, China
Patent: 2
Guizhou Sheng, China
Patent: 2
Shaanxi Sheng, China
Patent: 1
Shanghai Shi, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
undefined undefined
Patent: 1
With the analysis among related 42 patents in last 5 years, we discover 29 new entrants. Guizhou Yongheyi Environmental Protection Technology Co., Ltd., Xi'an Jiaotong University, Shanghai University of Engineering Science are the most active new entrants in this area.
Guizhou Sheng, China
Patent: 2
Shaanxi Sheng, China
Patent: 1
Shanghai Shi, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
undefined undefined
Patent: 1
Shanghai Shi, China
Patent: 1
Guangdong Sheng, China
Patent: 1
Guangdong Sheng, China
Patent: 1
Zhejiang Sheng, China
Patent: 1
With the analysis among 122 patents, we discovered top 43 universities and scientific research institutions by total patent application. Tsinghua University, China University of Petroleum (East China), Institute of Process Engineering, Chinese Academy of Sciences are dominant in this area. They take 18.03% of the total patent filing.
Beijing Shi, China
Patent: 9
Shandong Sheng, China
Patent: 7
Beijing Shi, China
Patent: 6
Shanghai Shi, China
Patent: 5
Jilin Sheng, China
Patent: 4
Shanxi Sheng, China
Patent: 3
Yunnan Sheng, China
Patent: 3
Tianjin Shi, China
Patent: 3
Zhejiang Sheng, China
Patent: 2