With the analysis among 285 patents, we discovered top 94 key players by total patent application. China Railway Liuyuan Group Co., Ltd., CCCC Fourth Harbor Engineering Co., Ltd., Jurong Shipyard Pte Ltd. are dominant in this area. They take 16.14% of the total patent filing.
Tianjin Shi, China
Patent: 17
Guangdong Sheng, China
Patent: 15
Tianjin Shi, China
Patent: 14
Guangdong Sheng, China
Patent: 9
Guangdong Sheng, China
Patent: 9
Shanghai Shi, China
Patent: 7
Gyeonggi-do, South Korea
Patent: 6
Cornwall, United Kingdom
Patent: 6
With the analysis among 6 patents, we discovered top 1 start-ups by total patent application.
Cornwall, United Kingdom
Patent: 6
With the analysis among related 132 patents applied in the last 5 years. We discover 56 most active companies in this area. The fast-growing CCCC Fourth Harbor Engineering Co., Ltd., China Railway Liuyuan Group Co., Ltd., China Railway Tunnel Survey and Design Institute Co., Ltd. take 31.82% of patent filing during this period.
Guangdong Sheng, China
Patent: 15
Tianjin Shi, China
Patent: 14
Tianjin Shi, China
Patent: 13
Guangdong Sheng, China
Patent: 9
Shanghai Shi, China
Patent: 7
Cornwall, United Kingdom
Patent: 6
Shanghai Shi, China
Patent: 5
Jiangsu Sheng, China
Patent: 4
Tianjin Shi, China
Patent: 4
With the analysis among related 132 patents in last 5 years, we discover 49 new entrants. CCCC Fourth Harbor Engineering Co., Ltd., The Second Engineering Company Of CCCC Fourth Harbor Engineering Co.,Ltd., CCCC Third Harbor Engineering Co., Ltd. are the most active new entrants in this area.
Guangdong Sheng, China
Patent: 15
Guangdong Sheng, China
Patent: 9
Shanghai Shi, China
Patent: 7
Cornwall, United Kingdom
Patent: 6
Shanghai Shi, China
Patent: 5
Jiangsu Sheng, China
Patent: 4
Tianjin Shi, China
Patent: 4
Shanghai Shi, China
Patent: 3
Shandong Sheng, China
Patent: 3
With the analysis among 11 patents, we discovered top 2 universities and scientific research institutions by total patent application.
Maine, United States
Patent: 2
Hunan Sheng, China
Patent: 1