With the analysis among 394 patents, we discovered top 298 key players by total patent application. Hitachi Ltd., Saudi Arabian Oil Co., TOSHIBA Corp. are dominant in this area. They take 7.36% of the total patent filing.
Tokyo-to, Japan
Patent: 12
Fujian Sheng, China
Patent: 5
Fukuoka-ken, Japan
Patent: 4
Shandong Sheng, China
Patent: 4
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With the analysis among related 165 patents applied in the last 5 years. We discover 128 most active companies in this area. The fast-growing Qingdao Haier Air Conditioner Co., Ltd., Saudi Arabian Oil Co., Xiamen R & T Plumbing Technology Co., Ltd. take 6.67% of patent filing during this period.
Shandong Sheng, China
Patent: 4
Fujian Sheng, China
Patent: 3
Zhejiang Sheng, China
Patent: 3
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Patent: 2
Jiangxi Sheng, China
Patent: 2
Tianjin Shi, China
Patent: 2
Hubei Sheng, China
Patent: 2
With the analysis among related 165 patents in last 5 years, we discover 109 new entrants. Qingdao Haier Air Conditioner Co., Ltd., Zhejiang University, The First Hospital of Jilin University are the most active new entrants in this area.
Shandong Sheng, China
Patent: 4
Zhejiang Sheng, China
Patent: 3
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Patent: 2
Jiangxi Sheng, China
Patent: 2
Sichuan Sheng, China
Patent: 2
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Patent: 2
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Patent: 2
Shanxi Sheng, China
Patent: 2
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Patent: 2
With the analysis among 106 patents, we discovered top 46 universities and scientific research institutions by total patent application. Hohai University, Central South University, Zhejiang University are dominant in this area. They take 14.15% of the total patent filing.
Jiangsu Sheng, China
Patent: 6
Hunan Sheng, China
Patent: 4
Zhejiang Sheng, China
Patent: 3
Hubei Sheng, China
Patent: 3
Tianjin Shi, China
Patent: 3
Shanghai Shi, China
Patent: 2
Shandong Sheng, China
Patent: 2
Hubei Sheng, China
Patent: 2
Guangdong Sheng, China
Patent: 2
Jiangxi Sheng, China
Patent: 2