With the analysis among 29,622 patents, we discovered top 488 key players by total patent application. Hitachi Ltd., TOSHIBA Corp., Mitsubishi Electric Corp. are dominant in this area. They take 17.43% of the total patent filing.
Tokyo-to, Japan
Patent: 1,805
Tokyo-to, Japan
Patent: 1,739
Tokyo-to, Japan
Patent: 1,618
Osaka-fu, Japan
Patent: 1,331
Tokyo-to, Japan
Patent: 1,199
Tokyo-to, Japan
Patent: 1,000
Chungcheongnam-do, South Korea
Patent: 725
With the analysis among 37 patents, we discovered top 7 start-ups by total patent application. Aisin KK, Proteus Digital Health, Inc., Icebox, Inc. are active in this area.
Tokyo-to, Japan
Patent: 19
California, United States
Patent: 7
California, United States
Patent: 5
California, United States
Patent: 1
Utah, United States
Patent: 1
With the analysis among related 116 patents applied in the last 5 years. We discover 91 most active companies in this area. The fast-growing China Railway Fourth Bureau Group Co., Ltd., The 1st Engineering Co., Ltd. of China Railway 12th Bureau, China Railway Fourth Bureau Group Fifth Engineering Co., Ltd. take 25.00% of patent filing during this period.
Anhui Sheng, China
Patent: 13
Shaanxi Sheng, China
Patent: 9
Jiangxi Sheng, China
Patent: 7
Beijing Shi, China
Patent: 7
Anhui Sheng, China
Patent: 6
Shanxi Sheng, China
Patent: 6
Hubei Sheng, China
Patent: 5
Beijing Shi, China
Patent: 5
Beijing Shi, China
Patent: 4
Beijing Shi, China
Patent: 4
With the analysis among related 116 patents in last 5 years, we discover 59 new entrants. China Railway Siyuan Survey & Design Group Co., Ltd., China Railway Beijing Bureau Group Co., Ltd. Jingnan Engineering Project Management Department, Shanghai University of Engineering Science are the most active new entrants in this area.
Hubei Sheng, China
Patent: 5
Beijing Shi, China
Patent: 5
Shanghai Shi, China
Patent: 3
Hebei Yongba Railway Equipment Co., Ltd.
Hebei Sheng, China
Patent: 3
Liaoning Sheng, China
Patent: 3
Guangdong Sheng, China
Patent: 3
Wuhu Green Resources Recycling Co., Ltd.
Anhui Sheng, China
Patent: 2
Jiangxi Sheng, China
Patent: 2
Shaanxi Sheng, China
Patent: 2
Zhejiang Sheng, China
Patent: 2
With the analysis among 294 patents, we discovered top 60 universities and scientific research institutions by total patent application. Central South University, Tsinghua University, Railway Technical Research Institute are dominant in this area. They take 13.27% of the total patent filing.
Hunan Sheng, China
Patent: 8
Beijing Shi, China
Patent: 6
Jiangsu Sheng, China
Patent: 6
Massachusetts, United States
Patent: 5
Beijing Shi, China
Patent: 5
North Carolina, United States
Patent: 4
Shanghai Shi, China
Patent: 4
Sichuan Sheng, China
Patent: 4