With the analysis among 5,933 patents, we discovered top 232 key players by total patent application. Sumitomo Electric Industries Ltd., TOSHIBA Corp., Fujikura Ltd. are dominant in this area. They take 37.13% of the total patent filing.
Osaka-fu, Japan
Patent: 1,071
Tokyo-to, Japan
Patent: 571
Tokyo-to, Japan
Patent: 561
Tokyo-to, Japan
Patent: 317
Tokyo-to, Japan
Patent: 254
Osaka-fu, Japan
Patent: 201
Tokyo-to, Japan
Patent: 175
Tokyo-to, Japan
Patent: 155
Tokyo-to, Japan
Patent: 153
With the analysis among 7 patents, we discovered top 1 start-ups by total patent application.
With the analysis among related 42 patents applied in the last 5 years. We discover 11 most active companies in this area. The fast-growing TOSHIBA Corp., Fujikura Ltd., NIPPON STEEL CORP. take 66.67% of patent filing during this period.
Tokyo-to, Japan
Patent: 13
Tokyo-to, Japan
Patent: 10
Fukuoka-ken, Japan
Patent: 1
Aichi-ken, Japan
Patent: 1
Ibaraki-ken, Japan
Patent: 1
Guangdong Sheng, China
Patent: 1
With the analysis among related 42 patents in last 5 years, we discover 2 new entrants.
Guangdong Sheng, China
Patent: 1
Jiangsu Sheng, China
Patent: 1
With the analysis among 318 patents, we discovered top 33 universities and scientific research institutions by total patent application. Railway Technical Research Institute, Massachusetts Institute of Technology, Tokai University are dominant in this area. They take 49.37% of the total patent filing.
Massachusetts, United States
Patent: 18
Tokyo-to, Japan
Patent: 15
Fukuoka-ken, Japan
Patent: 6
New York, United States
Patent: 2
British Columbia, Canada
Patent: 2