With the analysis among 400 patents, we discovered top 144 key players by total patent application. Hitachi Ltd., Matsushita Refrigeration Co., Kobe Steel, Ltd. are dominant in this area. They take 21.25% of the total patent filing.
Tokyo-to, Japan
Patent: 43
Osaka-fu, Japan
Patent: 25
Kyoto-fu, Japan
Patent: 17
Tokyo-to, Japan
Patent: 15
Tokyo-to, Japan
Patent: 13
Pennsylvania, United States
Patent: 10
Aichi-ken, Japan
Patent: 7
No data, please try another search term
With the analysis among related 205 patents applied in the last 5 years. We discover 108 most active companies in this area. The fast-growing Xi'an Jiaotong University, Institute of Engineering Thermophysics Chinese Academy of Scie, Shanghai Jiao Tong University take 11.71% of patent filing during this period.
Shaanxi Sheng, China
Patent: 9
Shanghai Shi, China
Patent: 7
Guangdong Sheng, China
Patent: 7
Hunan Sheng, China
Patent: 6
Anhui Sheng, China
Patent: 6
Beijing Shi, China
Patent: 6
Jilin Sheng, China
Patent: 6
Guangdong Sheng, China
Patent: 4
Hunan Sheng, China
Patent: 4
With the analysis among related 205 patents in last 5 years, we discover 81 new entrants. Zhuzhou Zhiheat Technology Co., Ltd., Jilin University, Central South University are the most active new entrants in this area.
Hunan Sheng, China
Patent: 6
Jilin Sheng, China
Patent: 6
Hunan Sheng, China
Patent: 4
Jiangsu Sheng, China
Patent: 4
Heilongjiang Sheng, China
Patent: 3
Guangdong Sheng, China
Patent: 3
Liaoning Sheng, China
Patent: 3
undefined undefined
Patent: 2
Jiangsu Sheng, China
Patent: 2
With the analysis among 270 patents, we discovered top 68 universities and scientific research institutions by total patent application. South China University of Technology, Xi'an Jiaotong University, Shanghai Jiao Tong University are dominant in this area. They take 22.22% of the total patent filing.
Guangdong Sheng, China
Patent: 28
Shaanxi Sheng, China
Patent: 19
Shanghai Shi, China
Patent: 13
Anhui Sheng, China
Patent: 11
Beijing Shi, China
Patent: 7
Beijing Shi, China
Patent: 7
Jilin Sheng, China
Patent: 6
Shanghai Shi, China
Patent: 6
Massachusetts, United States
Patent: 5
Guangdong Sheng, China
Patent: 5