With the analysis among 4,335 patents, we discovered top 225 key players by total patent application. TOSHIBA Corp., NEC Corp., Matsushita Electronics Corp. are dominant in this area. They take 30.06% of the total patent filing.
Tokyo-to, Japan
Patent: 490
Tokyo-to, Japan
Patent: 416
Osaka-fu, Japan
Patent: 331
Toyama-ken, Japan
Patent: 296
Tokyo-to, Japan
Patent: 282
Tokyo-to, Japan
Patent: 270
Tokyo-to, Japan
Patent: 239
Tokyo-to, Japan
Patent: 144
Aichi-ken, Japan
Patent: 116
Tokyo-to, Japan
Patent: 109
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With the analysis among related 7 patents applied in the last 5 years. We discover 5 most active companies in this area. The fast-growing Japan Broadcasting Corp., Daiichikosho Co., Ltd., Nhk Engineering System, Inc. take 42.86% of patent filing during this period.
Liaoning Sheng, China
Patent: 1
Anhui Sheng, China
Patent: 1
With the analysis among related 7 patents in last 5 years, we discover 3 new entrants.
Liaoning Sheng, China
Patent: 1
Anhui Sheng, China
Patent: 1
With the analysis among 10 patents, we discovered top 5 universities and scientific research institutions by total patent application. Waseda University, Tsinghua University, Railway Technical Research Institute are dominant in this area. They take 30.00% of the total patent filing.
Beijing Shi, China
Patent: 1
Aichi-ken, Japan
Patent: 1