With the analysis among 6,272 patents, we discovered top 485 key players by total patent application. Matsushita Electronics Corp., Rinnai Corp., Hitachi Ltd. are dominant in this area. They take 3.95% of the total patent filing.
Osaka-fu, Japan
Patent: 99
Aichi-ken, Japan
Patent: 79
Tokyo-to, Japan
Patent: 70
Guangdong Sheng, China
Patent: 61
Tokyo-to, Japan
Patent: 59
Beijing Shi, China
Patent: 51
Bayern, Germany
Patent: 45
Guangdong Sheng, China
Patent: 42
Tokyo-to, Japan
Patent: 39
Guangdong Sheng, China
Patent: 31
With the analysis among 22 patents, we discovered top 14 start-ups by total patent application. Zhejiang Hozon New Energy Automobile Co., Ltd., Shenzhen Huole Technology Development Co. Ltd., Sunwoda Electric Vehicle Battery Co., Ltd. are active in this area.
Zhejiang Hozon New Energy Automobile Co., Ltd.
Zhejiang Sheng, China
Patent: 4
Guangdong Sheng, China
Patent: 3
Guangdong Sheng, China
Patent: 3
Beijing Shi, China
Patent: 2
Lombardia, Italy
Patent: 1
Shanghai Shi, China
Patent: 1
Beijing Shi, China
Patent: 1
California, United States
Patent: 1
With the analysis among related 2,842 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing State Grid Corp. of China, Gree Electric Appliances, Inc. of Zhuhai, BYD Co., Ltd. take 3.24% of patent filing during this period.
Beijing Shi, China
Patent: 37
Guangdong Sheng, China
Patent: 29
Guangdong Sheng, China
Patent: 26
Guangdong Sheng, China
Patent: 26
Shaanxi Sheng, China
Patent: 23
Beijing Shi, China
Patent: 22
Shandong Sheng, China
Patent: 22
Shandong Sheng, China
Patent: 15
Guangdong Sheng, China
Patent: 15
With the analysis among related 2,842 patents in last 5 years, we discover 345 new entrants. Shenyang Institute of Engineering, Intelligent Energy Ltd., Zhejiang Geely Holding Group Co., Ltd. are the most active new entrants in this area.
Liaoning Sheng, China
Patent: 12
Guangdong Sheng, China
Patent: 9
Zhejiang Sheng, China
Patent: 8
Shandong Sheng, China
Patent: 7
Gyeonggi-do, South Korea
Patent: 7
Beijing Shi, China
Patent: 6
Guangdong Sheng, China
Patent: 5
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Patent: 5
Hubei Sheng, China
Patent: 5
With the analysis among 1,987 patents, we discovered top 229 universities and scientific research institutions by total patent application. Xi'an Jiaotong University, Tsinghua University, North China Electric Power University are dominant in this area. They take 4.98% of the total patent filing.
Shaanxi Sheng, China
Patent: 37
Beijing Shi, China
Patent: 35
Beijing Shi, China
Patent: 27
Shanghai Shi, China
Patent: 20
Zhejiang Sheng, China
Patent: 20
Jiangsu Sheng, China
Patent: 17
Tianjin Shi, China
Patent: 13
Belarusian National Technical University
Liaoning Sheng, China
Patent: 12