With the analysis among 138 patents, we discovered top 37 key players by total patent application. NGK Insulators, Ltd., Hamamatsu Photonics KK, Hitachi Ltd. are dominant in this area. They take 44.93% of the total patent filing.
Aichi-ken, Japan
Patent: 30
Shizuoka-ken, Japan
Patent: 20
Tokyo-to, Japan
Patent: 12
Osaka-fu, Japan
Patent: 11
Jiangsu Sheng, China
Patent: 11
Jiangsu Sheng, China
Patent: 11
Kagoshima-ken, Japan
Patent: 5
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With the analysis among related 16 patents applied in the last 5 years. We discover 10 most active companies in this area. The fast-growing Nanjing Nari Jibao Electric Co. Ltd., NR Electric Co., Ltd., The Trustees of Columbia University in The City of New York take 137.50% of patent filing during this period.
Jiangsu Sheng, China
Patent: 10
Jiangsu Sheng, China
Patent: 10
New York, United States
Patent: 2
Hubei Sheng, China
Patent: 1
Guangdong Sheng, China
Patent: 1
Henan Sheng, China
Patent: 1
Beijing Shi, China
Patent: 1
With the analysis among related 16 patents in last 5 years, we discover 7 new entrants. The Trustees of Columbia University in The City of New York, Universidade de Évora, Super High Voltage Company of State Grid Hubei Electric Power Co., Ltd. are the most active new entrants in this area.
New York, United States
Patent: 2
Hubei Sheng, China
Patent: 1
Guangdong Sheng, China
Patent: 1
Henan Sheng, China
Patent: 1
With the analysis among 13 patents, we discovered top 7 universities and scientific research institutions by total patent application. Tokai University, The Trustees of Columbia University in The City of New York, Universidade de Pernambuco are dominant in this area. They take 76.92% of the total patent filing.
New York, United States
Patent: 2
Shizuoka-ken, Japan
Patent: 1