With the analysis among 166 patents, we discovered top 120 key players by total patent application. Indian Oil Corp. Ltd., NIPPON STEEL CORP., Mitteldeutsches Bitumenwerk GmbH are dominant in this area. They take 11.45% of the total patent filing.
Mitteldeutsches Bitumenwerk GmbH
Sachsen-Anhalt, Germany
Patent: 5
Mitsubishi Heavy Industries, Ltd.
Rio de Janeiro, Brazil
Patent: 3
Texas, United States
Patent: 3
Mitsuboshi Diamond Industrial Co. Ltd.
Oklahoma, United States
Patent: 3
Beijing Qihu Technology Co., Ltd.
Beijing Shi, China
Patent: 3
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With the analysis among related 70 patents applied in the last 5 years. We discover 52 most active companies in this area. The fast-growing Taiyuan University of Technology, Shandong University of Science & Technology, Indian Oil Corp. Ltd. take 27.14% of patent filing during this period.
Taiyuan University of Technology
Shanxi Sheng, China
Patent: 8
Shandong University of Science & Technology
Shandong Sheng, China
Patent: 6
China University of Mining & Technology (Beijing)
Beijing Shi, China
Patent: 3
Sinosteel Group Wuhan Security & Environment Inst Co. Ltd.
Hubei Sheng, China
Patent: 2
Xinya Construction Co., Ltd
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Patent: 2
Xin Fu Construction Co., Ltd.
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Patent: 2
Sinohydro Bureau 7 Co. Ltd.
Sichuan Sheng, China
Patent: 2
China Railway 18th Bureau Group Co., Ltd.
Tianjin Shi, China
Patent: 2
Yaojie Coal Electricity Group Co., Ltd.
Gansu Sheng, China
Patent: 1
With the analysis among related 70 patents in last 5 years, we discover 42 new entrants. Sinosteel Group Wuhan Security & Environment Inst Co. Ltd., Xinya Construction Co., Ltd, Sinohydro Bureau 7 Co. Ltd. are the most active new entrants in this area.
Sinosteel Group Wuhan Security & Environment Inst Co. Ltd.
Hubei Sheng, China
Patent: 2
Xinya Construction Co., Ltd
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Patent: 2
Sinohydro Bureau 7 Co. Ltd.
Sichuan Sheng, China
Patent: 2
Xin Fu Construction Co., Ltd.
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Patent: 2
China Railway 18th Bureau Group Co., Ltd.
Tianjin Shi, China
Patent: 2
Yaojie Coal Electricity Group Co., Ltd.
Gansu Sheng, China
Patent: 1
China Railway Major Bridge Reconnaissance & Design Institute C
Hubei Sheng, China
Patent: 1
Sinohydro Engineering Bureau 4 Co., Ltd.
Qinghai Sheng, China
Patent: 1
Jiangsu Jushui Construction Engineering Co., Ltd.
Jiangsu Sheng, China
Patent: 1
China Railway 19 Bureau Group Mining Investment Co., Ltd.
Beijing Shi, China
Patent: 1
With the analysis among 91 patents, we discovered top 31 universities and scientific research institutions by total patent application. Taiyuan University of Technology, Shandong University of Science & Technology, China University of Mining & Technology are dominant in this area. They take 28.57% of the total patent filing.
Taiyuan University of Technology
Shanxi Sheng, China
Patent: 10
Shandong University of Science & Technology
Shandong Sheng, China
Patent: 9
China University of Mining & Technology
Jiangsu Sheng, China
Patent: 7
China University of Mining & Technology (Beijing)
Beijing Shi, China
Patent: 6
Xi'an University of Science & Technology
Shaanxi Sheng, China
Patent: 5
Anhui University of Science & Technology
Anhui Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Southwest Jiaotong University
Sichuan Sheng, China
Patent: 2
Henan Polytechnic University
Henan Sheng, China
Patent: 2
Beijing Shi, China
Patent: 1