With the analysis among 4,378 patents, we discovered top 477 key players by total patent application. telent Ltd., General Electric Co., Siemens AG are dominant in this area. They take 8.02% of the total patent filing.
United Kingdom
Patent: 141
Massachusetts, United States
Patent: 130
Bayern, Germany
Patent: 80
Tokyo-to, Japan
Patent: 77
Noord-Holland, Netherlands
Patent: 63
State Grid Corp. of China
Beijing Shi, China
Patent: 53
Westinghouse Electric Co. LLC
Gansu Sheng, China
Patent: 46
Tokyo-to, Japan
Patent: 35
Mitsubishi Electric Corp.
Tokyo-to, Japan
Patent: 31
With the analysis among 41 patents, we discovered top 5 start-ups by total patent application. Englishco LLC, Lansus Technologies, Inc., Voltage Control Systems, Inc. are active in this area.
New York, United States
Patent: 30
Lansus Technologies, Inc.
Guangdong Sheng, China
Patent: 4
Voltage Control Systems, Inc.
Texas, United States
Patent: 4
With the analysis among related 585 patents applied in the last 5 years. We discover 335 most active companies in this area. The fast-growing Baoding Tianwei Baobian Electric Co., Ltd., State Grid Corp. of China, Infineon Technologies Austria AG take 4.96% of patent filing during this period.
Baoding Tianwei Baobian Electric Co., Ltd.
Hebei Sheng, China
Patent: 11
State Grid Corp. of China
Beijing Shi, China
Patent: 9
Infineon Technologies Austria AG
Southwest Jiaotong University
Sichuan Sheng, China
Patent: 9
Murata Manufacturing Co. Ltd.
Wujiang Transformer Factory Co., Ltd.
Jiangsu Sheng, China
Patent: 8
Hunan University of Technology
Hunan Sheng, China
Patent: 7
Analog Devices International Unlimited Co.
Hamilton Sundstrand Corp.
North Carolina, United States
Patent: 6
Zhejiang Delixi Electrical Appliance Co. Ltd.
Zhejiang Sheng, China
Patent: 5
With the analysis among related 585 patents in last 5 years, we discover 263 new entrants. Wujiang Transformer Factory Co., Ltd., Hunan University of Technology, Analog Devices International Unlimited Co. are the most active new entrants in this area.
Wujiang Transformer Factory Co., Ltd.
Jiangsu Sheng, China
Patent: 8
Hunan University of Technology
Hunan Sheng, China
Patent: 7
Analog Devices International Unlimited Co.
Zhejiang Delixi Electrical Appliance Co. Ltd.
Zhejiang Sheng, China
Patent: 5
Washington, United States
Patent: 5
Taicang T&W Electronics Co., Ltd.
Jiangsu Sheng, China
Patent: 5
California, United States
Patent: 4
Lansus Technologies, Inc.
Guangdong Sheng, China
Patent: 4
Zhuzhou Middle Rail Track Equipment Co., Ltd.
Hunan Sheng, China
Patent: 3
With the analysis among 442 patents, we discovered top 83 universities and scientific research institutions by total patent application. Southwest Jiaotong University, Stefan cel Mare University of Suceava, Nanjing University of Aeronautics & Astronautics are dominant in this area. They take 13.57% of the total patent filing.
Southwest Jiaotong University
Sichuan Sheng, China
Patent: 29
Stefan cel Mare University of Suceava
Suceava, Romania
Patent: 16
Nanjing University of Aeronautics & Astronautics
Jiangsu Sheng, China
Patent: 14
Huazhong University of Science & Technology
Hubei Sheng, China
Patent: 12
National Agricultural University
Railway Technical Research Institute
Hunan University of Technology
Hunan Sheng, China
Patent: 7
Jiangsu Sheng, China
Patent: 6
Zhejiang Sheng, China
Patent: 5
Utah, United States
Patent: 4