With the analysis among 442 patents, we discovered top 68 key players by total patent application. DAIKIN INDUSTRIES Ltd., Matsushita Electronics Corp., SANYO Electric Co., Ltd. are dominant in this area. They take 56.79% of the total patent filing.
Osaka-fu, Japan
Patent: 209
Matsushita Electronics Corp.
Osaka-fu, Japan
Patent: 25
California, United States
Patent: 17
Sekisui Chemical Co., Ltd.
Osaka-fu, Japan
Patent: 16
Aichi-ken, Japan
Patent: 13
Aichi-ken, Japan
Patent: 13
Tokyo-to, Japan
Patent: 11
Somnio Global Holdings LLC
Mitsubishi Heavy Industries, Ltd.
Tokyo-to, Japan
Patent: 10
Guangdong Jiade Environmental Protection Technology Co., Ltd.
Guangdong Sheng, China
Patent: 10
With the analysis among 1 patents, we discovered top 1 start-ups by total patent application.
GAC Aion New Energy Automobile Co., Ltd.
Guangdong Sheng, China
Patent: 1
With the analysis among related 49 patents applied in the last 5 years. We discover 34 most active companies in this area. The fast-growing Shanxi Jinzhe Environmental Protection Technology Co., Ltd., Dalian University of Technology, North China Electric Power University take 20.41% of patent filing during this period.
Shanxi Jinzhe Environmental Protection Technology Co., Ltd.
Shanxi Sheng, China
Patent: 4
Dalian University of Technology
Liaoning Sheng, China
Patent: 3
North China Electric Power University
Beijing Shi, China
Patent: 3
Somnio Global Holdings LLC
Huazhong University of Science & Technology
Hubei Sheng, China
Patent: 2
Guangdong Midea Refrigeration Equipment Co., Ltd.
Guangdong Sheng, China
Patent: 2
Zhejiang Sheng, China
Patent: 2
Jinhua Dawei Electronic Technology Co. Ltd.
Zhejiang Sheng, China
Patent: 2
State Grid Qinghai Electric Power Company Electric Power Research Institute
Qinghai Sheng, China
Patent: 2
With the analysis among related 49 patents in last 5 years, we discover 25 new entrants. Huazhong University of Science & Technology, Guangdong Midea Refrigeration Equipment Co., Ltd., Zhejiang University are the most active new entrants in this area.
Huazhong University of Science & Technology
Hubei Sheng, China
Patent: 2
Guangdong Midea Refrigeration Equipment Co., Ltd.
Guangdong Sheng, China
Patent: 2
Zhejiang Sheng, China
Patent: 2
Jinhua Dawei Electronic Technology Co. Ltd.
Zhejiang Sheng, China
Patent: 2
State Grid Qinghai Electric Power Company Electric Power Research Institute
Qinghai Sheng, China
Patent: 2
China Southern Power Grid Research Institute Co., Ltd.
Guangdong Sheng, China
Patent: 1
Guangdong Sheng, China
Patent: 1
Shanghai Ruijie Environmental Protection Technology Co., Ltd.
Shanghai Shi, China
Patent: 1
Yingkou Institute of Technology
Liaoning Sheng, China
Patent: 1
With the analysis among 60 patents, we discovered top 26 universities and scientific research institutions by total patent application. Zaporizhia State Engineering Academy, North China Electric Power University, Kyushu University are dominant in this area. They take 30.00% of the total patent filing.
Zaporizhia State Engineering Academy
North China Electric Power University
Beijing Shi, China
Patent: 4
Fukuoka-ken, Japan
Patent: 3
Kumamoto-ken, Japan
Patent: 3
Xi'an Jiaotong University
Shaanxi Sheng, China
Patent: 2
Zhejiang Sheng, China
Patent: 2
Jiangxi Sheng, China
Patent: 2
Huazhong University of Science & Technology
Hubei Sheng, China
Patent: 2
Tokyo Institute of Technology
Chongqing Shi, China
Patent: 2