With the analysis among 4,239 patents, we discovered top 478 key players by total patent application. NEC Corp., Hitachi Ltd., Matsushita Electronics Corp. are dominant in this area. They take 20.81% of the total patent filing.
Tokyo-to, Japan
Patent: 345
Tokyo-to, Japan
Patent: 282
Osaka-fu, Japan
Patent: 255
Tokyo-to, Japan
Patent: 207
Tokyo-to, Japan
Patent: 184
Tokyo-to, Japan
Patent: 177
Tokyo-to, Japan
Patent: 150
Tokyo-to, Japan
Patent: 142
Toyama-ken, Japan
Patent: 77
Fukushima-ken, Japan
Patent: 60
With the analysis among 1 patents, we discovered top 1 start-ups by total patent application.
New York, United States
Patent: 1
With the analysis among related 489 patents applied in the last 5 years. We discover 352 most active companies in this area. The fast-growing State Grid Corp. of China, Nippon Telegraph & Telephone Corp., China Electric Power Research Institute Ltd. take 6.95% of patent filing during this period.
Beijing Shi, China
Patent: 12
Tokyo-to, Japan
Patent: 12
Beijing Shi, China
Patent: 10
California, United States
Patent: 8
Heilongjiang Sheng, China
Patent: 8
Delaware, United States
Patent: 7
Shaanxi Sheng, China
Patent: 6
With the analysis among related 489 patents in last 5 years, we discover 270 new entrants. QUALCOMM, Inc., North America, Inc., Beijing Institute of Intensity Environment are the most active new entrants in this area.
California, United States
Patent: 8
Delaware, United States
Patent: 7
undefined undefined
Patent: 5
Beijing Shi, China
Patent: 5
Noord-Brabant, Netherlands
Patent: 4
Huaxing Intelligent Control (Beijing) Energy Co., Ltd.
Beijing Shi, China
Patent: 3
Zhejiang Sheng, China
Patent: 3
Tianjin Shi, China
Patent: 3
Zhejiang Sheng, China
Patent: 3
Zhejiang Sheng, China
Patent: 3
With the analysis among 398 patents, we discovered top 123 universities and scientific research institutions by total patent application. Zhejiang University, Xi'an Jiaotong University, Shandong University are dominant in this area. They take 9.80% of the total patent filing.
Zhejiang Sheng, China
Patent: 13
Shaanxi Sheng, China
Patent: 12
Shandong Sheng, China
Patent: 11
Heilongjiang Sheng, China
Patent: 11
Sichuan Sheng, China
Patent: 10
Beijing Shi, China
Patent: 9
Beijing Shi, China
Patent: 6
Hubei Sheng, China
Patent: 6
Jiangsu Sheng, China
Patent: 6
Jiangsu Sheng, China
Patent: 6