With the analysis among 978 patents, we discovered top 429 key players by total patent application. Samsung SDI Co., Ltd., Toyota Motor Corp., Hitachi Ltd. are dominant in this area. They take 21.47% of the total patent filing.
Chungcheongnam-do, South Korea
Patent: 110
Tokyo-to, Japan
Patent: 61
Tokyo-to, Japan
Patent: 39
State Grid Corp. of China
Beijing Shi, China
Patent: 22
Tokyo-to, Japan
Patent: 19
Fujitsu Hitachi Plasma Display Ltd.
Kanagawa-ken, Japan
Patent: 18
Mitsubishi Electric Corp.
Tokyo-to, Japan
Patent: 16
Huawei Technologies Co., Ltd.
Guangdong Sheng, China
Patent: 15
Tokyo-to, Japan
Patent: 11
Telefonaktiebolaget LM Ericsson
With the analysis among 8 patents, we discovered top 2 start-ups by total patent application.
California, United States
Patent: 3
With the analysis among related 116 patents applied in the last 5 years. We discover 112 most active companies in this area. The fast-growing State Grid Corp. of China, Gree Electric Appliances, Inc. of Zhuhai, Shenzhen Huasheng Control Technology Co., Ltd. take 9.48% of patent filing during this period.
State Grid Corp. of China
Beijing Shi, China
Patent: 4
Gree Electric Appliances, Inc. of Zhuhai
Guangdong Sheng, China
Patent: 4
Shenzhen Huasheng Control Technology Co., Ltd.
Guangdong Sheng, China
Patent: 3
State Grid Shandong Electric Power Company Economic and Technological Research Institute
Shandong Sheng, China
Patent: 3
Yamanashi-ken, Japan
Patent: 3
Jiangsu Electric Power Co.
Jiangsu Sheng, China
Patent: 3
Harbin Institute of Technology
Heilongjiang Sheng, China
Patent: 2
With the analysis among related 116 patents in last 5 years, we discover 83 new entrants. Gree Electric Appliances, Inc. of Zhuhai, Shenzhen Huasheng Control Technology Co., Ltd., Kia Corp. are the most active new entrants in this area.
Gree Electric Appliances, Inc. of Zhuhai
Guangdong Sheng, China
Patent: 4
Shenzhen Huasheng Control Technology Co., Ltd.
Guangdong Sheng, China
Patent: 3
York Guangzhou Air Conditioning & Refrigeration Co., Ltd.
Guangdong Sheng, China
Patent: 2
Shandong Sheng, China
Patent: 2
AVIC Shenyang Aerodynamic Research Institute
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Patent: 2
Southwest Jiaotong University
Sichuan Sheng, China
Patent: 2
Tianshui Electric Drive Research Institute Co. Ltd.
Gansu Sheng, China
Patent: 2
Beijing Bohua Xinzhi Technology, Inc.
Beijing Shi, China
Patent: 2
Bortala Power Supply Company of State Grid Xinjiang Electric Power Co., Ltd.
Xinjiang Uygur Zizhiqu, China
Patent: 2
With the analysis among 160 patents, we discovered top 70 universities and scientific research institutions by total patent application. Zhejiang University, Beihang University, Tongji University are dominant in this area. They take 11.88% of the total patent filing.
Zhejiang Sheng, China
Patent: 5
Beijing Shi, China
Patent: 5
Shanghai Shi, China
Patent: 4
Beijing Shi, China
Patent: 4
Jiangsu Sheng, China
Patent: 4
Harbin Institute of Technology
Heilongjiang Sheng, China
Patent: 4
Jilin Sheng, China
Patent: 3
Beijing University of Posts & Telecommunications
Beijing Shi, China
Patent: 3
Jiangsu Sheng, China
Patent: 3
Chongqing Shi, China
Patent: 3