With the analysis among 8,756 patents, we discovered top 488 key players by total patent application. Matsushita Electronics Corp., Mitsubishi Electric Corp., Hitachi Ltd. are dominant in this area. They take 6.19% of the total patent filing.
Osaka-fu, Japan
Patent: 248
Tokyo-to, Japan
Patent: 169
Tokyo-to, Japan
Patent: 125
Mitsubishi Heavy Industries, Ltd.
Tokyo-to, Japan
Patent: 94
Tokyo-to, Japan
Patent: 87
Toyama-ken, Japan
Patent: 85
Tokyo-to, Japan
Patent: 83
Aichi-ken, Japan
Patent: 76
Guangdong Sheng, China
Patent: 73
Osaka-fu, Japan
Patent: 70
With the analysis among 52 patents, we discovered top 28 start-ups by total patent application. Genesis Systems LLC, Exaeris Water Innovations LLC, Aisin KK are active in this area.
Oklahoma, United States
Patent: 7
Guangdong Sheng, China
Patent: 3
California, United States
Patent: 2
Zuid-Holland, Netherlands
Patent: 2
Chiba-ken, Japan
Patent: 2
Beijing Shi, China
Patent: 2
Beijing Shi, China
Patent: 2
With the analysis among related 2,233 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing Guangdong Midea Refrigeration Equipment Co., Ltd., Midea Group Co. Ltd., Gree Electric Appliances, Inc. of Zhuhai take 4.08% of patent filing during this period.
Guangdong Sheng, China
Patent: 35
Guangdong Sheng, China
Patent: 30
Guangdong Sheng, China
Patent: 26
Osaka-fu, Japan
Patent: 22
Aichi-ken, Japan
Patent: 19
Shandong Sheng, China
Patent: 13
Minnesota, United States
Patent: 12
Beijing Shi, China
Patent: 12
Liaoning Sheng, China
Patent: 11
With the analysis among related 2,233 patents in last 5 years, we discover 371 new entrants. Huaneng Clean Energy Research Institute, Beihang University, enVerid Systems, Inc. are the most active new entrants in this area.
Beijing Shi, China
Patent: 12
Beijing Shi, China
Patent: 7
Massachusetts, United States
Patent: 7
Oklahoma, United States
Patent: 7
Shandong Sheng, China
Patent: 6
Hunan Sheng, China
Patent: 5
Shandong Sheng, China
Patent: 5
Zhejiang Sheng, China
Patent: 5
Shanghai Shi, China
Patent: 4
Zhejiang Sheng, China
Patent: 4
With the analysis among 874 patents, we discovered top 253 universities and scientific research institutions by total patent application. Nanjing University of Aeronautics & Astronautics, Zhejiang University, Nanjing University of Information Science & Technology are dominant in this area. They take 4.23% of the total patent filing.
Jiangsu Sheng, China
Patent: 13
Zhejiang Sheng, China
Patent: 12
Jiangsu Sheng, China
Patent: 12
Massachusetts, United States
Patent: 9
Shaanxi Sheng, China
Patent: 8
Hubei Sheng, China
Patent: 8
Shandong Sheng, China
Patent: 8
Beijing Shi, China
Patent: 7
Shaanxi Sheng, China
Patent: 7
Sichuan Sheng, China
Patent: 7