With the analysis among 26 patents, we discovered top 14 key players by total patent application. Hitachi Ltd., Gemplus, Nippon Telegraph & Telephone Corp. are dominant in this area. They take 61.54% of the total patent filing.
Nippon Telegraph & Telephone Corp.
International Business Machines Corp.
New York, United States
Patent: 1
Indiana, United States
Patent: 1
California, United States
Patent: 1
Zhengzhou Evan Computer Technology Co., Ltd.
Henan Sheng, China
Patent: 1
State Grid Fujian Electric Power Co.
Fujian Sheng, China
Patent: 1
Ruijin Industrial Investment Development Co Ltd.
Jiangxi Sheng, China
Patent: 1
No data, please try another search term
With the analysis among related 17 patents applied in the last 5 years. We discover 15 most active companies in this area. The fast-growing Henan University, Taiyuan University of Technology, State Grid Fujian Electric Power Co. take 29.41% of patent filing during this period.
Henan Sheng, China
Patent: 2
Taiyuan University of Technology
Shanxi Sheng, China
Patent: 2
State Grid Fujian Electric Power Co.
Fujian Sheng, China
Patent: 1
Guangdong Sheng, China
Patent: 1
Hangzhou Innovation Research Institute of Beihang University
undefined undefined
Patent: 1
Jiangxi Sheng, China
Patent: 1
State Grid Hubei Electric Power Co., Ltd. Jingmen Power Supply Company
Hubei Sheng, China
Patent: 1
Chongqing University of Posts and Telecommunications
Chongqing Shi, China
Patent: 1
undefined undefined
Patent: 1
State Grid Fujian Electric Power Co., Ltd. Electric Power Research Institute
Fujian Sheng, China
Patent: 1
With the analysis among related 17 patents in last 5 years, we discover 15 new entrants. Henan University, Taiyuan University of Technology, State Grid Fujian Electric Power Co. are the most active new entrants in this area.
Henan Sheng, China
Patent: 2
Taiyuan University of Technology
Shanxi Sheng, China
Patent: 2
State Grid Fujian Electric Power Co.
Fujian Sheng, China
Patent: 1
Guangdong Sheng, China
Patent: 1
Hangzhou Innovation Research Institute of Beihang University
undefined undefined
Patent: 1
Jiangxi Sheng, China
Patent: 1
State Grid Hubei Electric Power Co., Ltd. Jingmen Power Supply Company
Hubei Sheng, China
Patent: 1
Chongqing University of Posts and Telecommunications
Chongqing Shi, China
Patent: 1
undefined undefined
Patent: 1
State Grid Fujian Electric Power Co., Ltd. Electric Power Research Institute
Fujian Sheng, China
Patent: 1
With the analysis among 19 patents, we discovered top 11 universities and scientific research institutions by total patent application. Taiyuan University of Technology, Henan University, Sichuan University are dominant in this area. They take 26.32% of the total patent filing.
Taiyuan University of Technology
Shanxi Sheng, China
Patent: 2
Henan Sheng, China
Patent: 2
Sichuan Sheng, China
Patent: 1
Guangdong Sheng, China
Patent: 1
Jiangxi Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1
Zhejiang Gongshang University
Zhejiang Sheng, China
Patent: 1
Nanjing University of Science & Technology
Jiangsu Sheng, China
Patent: 1
National University of Defense Technology
Hunan Sheng, China
Patent: 1