With the analysis among 8,287 patents, we discovered top 490 key players by total patent application. Siemens AG, Hitachi Ltd., Carrier Corp. are dominant in this area. They take 2.23% of the total patent filing.
Bayern, Germany
Patent: 66
Tokyo-to, Japan
Patent: 61
Tokyo-to, Japan
Patent: 56
Tokyo-to, Japan
Patent: 49
Tokyo-to, Japan
Patent: 45
Tokyo-to, Japan
Patent: 37
With the analysis among 21 patents, we discovered top 10 start-ups by total patent application. Beijing Baidu Netcom Science & Technology Co., Ltd., Aisin KK, Lidangao (Shanghai) Intelligent Technology Co., Ltd. are active in this area.
Beijing Shi, China
Patent: 6
Shanghai Shi, China
Patent: 3
Texas, United States
Patent: 2
New York, United States
Patent: 2
Central Region, Singapore
Patent: 1
California, United States
Patent: 1
Shandong Sheng, China
Patent: 1
North Carolina, United States
Patent: 1
Shandong Sheng, China
Patent: 1
With the analysis among related 2,779 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing Gree Electric Appliances, Inc. of Zhuhai, Wli Trading Ltd., Xi'an Jiaotong University take 1.04% of patent filing during this period.
Guangdong Sheng, China
Patent: 11
Shaanxi Sheng, China
Patent: 9
Tianjin Shi, China
Patent: 8
Beijing Shi, China
Patent: 6
California, United States
Patent: 6
Jiangsu Sheng, China
Patent: 6
Jiangsu Sheng, China
Patent: 6
With the analysis among related 2,779 patents in last 5 years, we discover 411 new entrants. Wli Trading Ltd., Tianjin Tianjia Environmental Equipment Co., Ltd., Yara International ASA are the most active new entrants in this area.
Tianjin Shi, China
Patent: 8
California, United States
Patent: 6
Jiangsu Sheng, China
Patent: 6
Jiangsu Sheng, China
Patent: 6
Tianjin Shi, China
Patent: 5
Texas, United States
Patent: 5
Shandong Sheng, China
Patent: 5
Ningxia Evergreen Environmental Protection Technology Co., Ltd.
Ningxia Huizi Zizhiqu, China
Patent: 4
With the analysis among 569 patents, we discovered top 151 universities and scientific research institutions by total patent application. Xi'an Polytechnic University, Xi'an Jiaotong University, Zhejiang University are dominant in this area. They take 8.44% of the total patent filing.
Shaanxi Sheng, China
Patent: 26
Shaanxi Sheng, China
Patent: 11
Zhejiang Sheng, China
Patent: 11
Shanghai Shi, China
Patent: 9
Tianjin Shi, China
Patent: 9
Zhejiang Sheng, China
Patent: 8
Tianjin Shi, China
Patent: 8
Heilongjiang Sheng, China
Patent: 7
Beijing Shi, China
Patent: 6
Jiangsu Sheng, China
Patent: 6