With the analysis among 1,417 patents, we discovered top 477 key players by total patent application. Wengfu (Group) Co., Ltd., State Grid Corp. of China, Nippon Electric Glass Co., Ltd. are dominant in this area. They take 6.85% of the total patent filing.
Guizhou Sheng, China
Patent: 41
Beijing Shi, China
Patent: 35
Shiga-ken, Japan
Patent: 21
Kanagawa-ken, Japan
Patent: 16
New York, United States
Patent: 12
Beijing Shi, China
Patent: 11
Tokyo-to, Japan
Patent: 11
With the analysis among 6 patents, we discovered top 3 start-ups by total patent application.
New York, United States
Patent: 3
Beijing Shi, China
Patent: 2
Hong Kong SAR, China
Patent: 1
With the analysis among related 377 patents applied in the last 5 years. We discover 282 most active companies in this area. The fast-growing ZEON Corp., Zhuzhou CRRC Times Electric Co., Ltd., Southwest Jiaotong University take 7.16% of patent filing during this period.
Tokyo-to, Japan
Patent: 11
Hunan Sheng, China
Patent: 9
Sichuan Sheng, China
Patent: 7
Tianjin Shi, China
Patent: 6
Hubei Sheng, China
Patent: 6
Hebei Sheng, China
Patent: 4
Sichuan Sheng, China
Patent: 4
Beijing Shi, China
Patent: 4
With the analysis among related 377 patents in last 5 years, we discover 212 new entrants. ZEON Corp., Huazhong University of Science & Technology, North China Electric Power University are the most active new entrants in this area.
Tokyo-to, Japan
Patent: 11
Hubei Sheng, China
Patent: 6
Beijing Shi, China
Patent: 4
Gyeongsangbuk-do, South Korea
Patent: 3
Saarland, Germany
Patent: 3
Ningxia Huizi Zizhiqu, China
Patent: 3
Jiangsu Sheng, China
Patent: 3
Hebei Sheng, China
Patent: 2
Hebei Sheng, China
Patent: 2
Hebei Sheng, China
Patent: 2
With the analysis among 382 patents, we discovered top 119 universities and scientific research institutions by total patent application. Zhejiang University, Southwest Jiaotong University, Tsinghua University are dominant in this area. They take 17.28% of the total patent filing.
Zhejiang Sheng, China
Patent: 30
Sichuan Sheng, China
Patent: 25
Beijing Shi, China
Patent: 11
Tianjin Shi, China
Patent: 10
Yunnan Sheng, China
Patent: 7
Beijing Shi, China
Patent: 7
Hubei Sheng, China
Patent: 6
Hebei Sheng, China
Patent: 6
Sichuan Sheng, China
Patent: 6
Hebei Sheng, China
Patent: 6