With the analysis among 245 patents, we discovered top 163 key players by total patent application. Johnson & Johnson Vision Care, Inc., Tsinghua Tongfang Co., Ltd., China Petroleum & Chemical Corp. are dominant in this area. They take 5.71% of the total patent filing.
Beijing Shi, China
Patent: 4
Beijing Shi, China
Patent: 4
Henan Sheng, China
Patent: 4
Henan Sheng, China
Patent: 4
Hubei Sheng, China
Patent: 4
Hubei Sheng, China
Patent: 3
Pennsylvania, United States
Patent: 3
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With the analysis among related 153 patents applied in the last 5 years. We discover 116 most active companies in this area. The fast-growing China Institute of Water Resources and Hydropower Research, Hohai University, Luoyang Qianglong Industrial Co., Ltd. take 16.34% of patent filing during this period.
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Patent: 16
Jiangsu Sheng, China
Patent: 5
Henan Sheng, China
Patent: 4
Henan Sheng, China
Patent: 4
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Patent: 4
Guangdong Sheng, China
Patent: 3
Hubei Water Resources & Hydropwr Planning Survey & Design Inst
Hubei Sheng, China
Patent: 3
Hubei Sheng, China
Patent: 3
Hubei Sheng, China
Patent: 3
Heilongjiang Sheng, China
Patent: 2
With the analysis among related 153 patents in last 5 years, we discover 88 new entrants. Luoyang Qianglong Environmental Protection Technology Co., Ltd., Luoyang Qianglong Industrial Co., Ltd., Zhichun New Material Technology (Guangzhou) Co., Ltd. are the most active new entrants in this area.
Henan Sheng, China
Patent: 4
Henan Sheng, China
Patent: 4
Guangdong Sheng, China
Patent: 3
Hubei Water Resources & Hydropwr Planning Survey & Design Inst
Hubei Sheng, China
Patent: 3
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Patent: 2
Beijing Shi, China
Patent: 2
Guangdong Shengjiarui Environmental Protection Technology Co., Ltd.
Guangdong Sheng, China
Patent: 2
Beijing Shi, China
Patent: 2
Beijing Shi, China
Patent: 2
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Patent: 1
With the analysis among 244 patents, we discovered top 75 universities and scientific research institutions by total patent application. Sun Yat-Sen University, Tsinghua University, Hohai University are dominant in this area. They take 15.57% of the total patent filing.
Guangdong Sheng, China
Patent: 7
Beijing Shi, China
Patent: 7
Jiangsu Sheng, China
Patent: 7
Heilongjiang Sheng, China
Patent: 6
Hubei Sheng, China
Patent: 6
Shanghai Shi, China
Patent: 5
Kagawa-ken, Japan
Patent: 5
Beijing Shi, China
Patent: 4
Zhejiang Sheng, China
Patent: 3
Shandong Sheng, China
Patent: 3