With the analysis among 5,332 patents, we discovered top 480 key players by total patent application. Koninklijke Philips NV, RCA Corp., Siemens AG are dominant in this area. They take 7.88% of the total patent filing.
Noord-Holland, Netherlands
Patent: 164
California, United States
Patent: 145
Bayern, Germany
Patent: 111
United Kingdom
Patent: 108
Kanagawa-ken, Japan
Patent: 88
Tokyo-to, Japan
Patent: 86
Tokyo-to, Japan
Patent: 76
Tokyo-to, Japan
Patent: 73
Osaka-fu, Japan
Patent: 73
Osaka-fu, Japan
Patent: 67
With the analysis among 12 patents, we discovered top 3 start-ups by total patent application.
New York, United States
Patent: 7
Guangdong Sheng, China
Patent: 4
With the analysis among related 415 patents applied in the last 5 years. We discover 252 most active companies in this area. The fast-growing Murata Manufacturing Co. Ltd., GlobalFoundries U.S., Inc., State Grid Corp. of China take 10.12% of patent filing during this period.
Kyoto-fu, Japan
Patent: 23
California, United States
Patent: 11
Beijing Shi, China
Patent: 8
Hamburg, Germany
Patent: 6
Beijing Shi, China
Patent: 4
Beijing Shi, China
Patent: 4
Guangdong Sheng, China
Patent: 4
Guangdong Sheng, China
Patent: 4
Baden-Württemberg, Germany
Patent: 4
With the analysis among related 415 patents in last 5 years, we discover 189 new entrants. GlobalFoundries U.S., Inc., Beijing Guodian Longyuan Environmental Engineering Co., Ltd., China Railway Electrification Bureau (Group) Co., Ltd. are the most active new entrants in this area.
California, United States
Patent: 11
Beijing Shi, China
Patent: 4
Beijing Shi, China
Patent: 4
Guangdong Sheng, China
Patent: 4
Shaanxi Sheng, China
Patent: 3
Shanghai Shi, China
Patent: 3
Jiangsu Sheng, China
Patent: 3
Pennsylvania, United States
Patent: 3
Guangdong Sheng, China
Patent: 3
Hunan Sheng, China
Patent: 2
With the analysis among 264 patents, we discovered top 56 universities and scientific research institutions by total patent application. Tiangong University, Railway Technical Research Institute, Tsinghua University are dominant in this area. They take 8.33% of the total patent filing.
Tianjin Shi, China
Patent: 6
Beijing Shi, China
Patent: 4
Shanghai Shi, China
Patent: 3
Shanghai Shi, China
Patent: 3
Hubei Sheng, China
Patent: 3
Jiangsu Sheng, China
Patent: 3
Sichuan Sheng, China
Patent: 3
Liaoning Sheng, China
Patent: 3