With the analysis among 145 patents, we discovered top 80 key players by total patent application. Sharp Corp., Hitachi Ltd., Ricoh Co., Ltd. are dominant in this area. They take 19.31% of the total patent filing.
Toyama-ken, Japan
Patent: 13
North Carolina, United States
Patent: 6
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With the analysis among related 13 patents applied in the last 5 years. We discover 9 most active companies in this area. The fast-growing Xi'an West Heat Energy Saving Technology Co., Ltd., Sumika Technology Co., Ltd., Guangzhou Bao'erfu Environmental Protection Technology Co., Ltd. take 46.15% of patent filing during this period.
Shaanxi Sheng, China
Patent: 2
Guangzhou Bao'erfu Environmental Protection Technology Co., Ltd.
Guangdong Sheng, China
Patent: 2
Heilongjiang Sheng, China
Patent: 1
Tianjin Shi, China
Patent: 1
Shandong Sheng, China
Patent: 1
Guangdong Dongshun Environmental Protection Technology Co., Ltd.
Guangdong Sheng, China
Patent: 1
With the analysis among related 13 patents in last 5 years, we discover 8 new entrants. Xi'an West Heat Energy Saving Technology Co., Ltd., Sumika Technology Co., Ltd., Guangzhou Bao'erfu Environmental Protection Technology Co., Ltd. are the most active new entrants in this area.
Shaanxi Sheng, China
Patent: 2
Guangzhou Bao'erfu Environmental Protection Technology Co., Ltd.
Guangdong Sheng, China
Patent: 2
Heilongjiang Sheng, China
Patent: 1
Tianjin Shi, China
Patent: 1
Shandong Sheng, China
Patent: 1
Guangdong Dongshun Environmental Protection Technology Co., Ltd.
Guangdong Sheng, China
Patent: 1
With the analysis among 10 patents, we discovered top 5 universities and scientific research institutions by total patent application. Tongji University, Universidad Complutense de Madrid, Harbin Engineering University are dominant in this area. They take 40.00% of the total patent filing.
Shanghai Shi, China
Patent: 2
Heilongjiang Sheng, China
Patent: 1
Shandong Sheng, China
Patent: 1
Tianjin Shi, China
Patent: 1