With the analysis among 252 patents, we discovered top 201 key players by total patent application. Zhejiang Haosheng Elevator Guide Co. Ltd., Hangzhou Kangfenwei Technology Co., Ltd., Murphy Ladder, LLC are dominant in this area. They take 5.16% of the total patent filing.
Zhejiang Haosheng Elevator Guide Co. Ltd.
Zhejiang Sheng, China
Patent: 5
Hangzhou Kangfenwei Technology Co., Ltd.
Zhejiang Sheng, China
Patent: 4
Utah, United States
Patent: 4
Pennsylvania, United States
Patent: 4
Ohio, United States
Patent: 3
Ohio, United States
Patent: 3
CRRC Qingdao Sifang Co., Ltd.
Shandong Sheng, China
Patent: 3
China Shipbuilding NDRI Engineering Co., Ltd.
Shanghai Shi, China
Patent: 3
China Railway Baoji Bridge Group Co., Ltd.
Shaanxi Sheng, China
Patent: 3
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With the analysis among related 243 patents applied in the last 5 years. We discover 173 most active companies in this area. The fast-growing Zhejiang Haosheng Elevator Guide Co. Ltd., Murphy Ladder, LLC, Hangzhou Kangfenwei Technology Co., Ltd. take 5.35% of patent filing during this period.
Zhejiang Haosheng Elevator Guide Co. Ltd.
Zhejiang Sheng, China
Patent: 5
Utah, United States
Patent: 4
Hangzhou Kangfenwei Technology Co., Ltd.
Zhejiang Sheng, China
Patent: 4
Pennsylvania, United States
Patent: 4
China Railway Baoji Bridge Group Co., Ltd.
Shaanxi Sheng, China
Patent: 3
CRRC Qingdao Sifang Co., Ltd.
Shandong Sheng, China
Patent: 3
China Shipbuilding NDRI Engineering Co., Ltd.
Shanghai Shi, China
Patent: 3
California, United States
Patent: 2
With the analysis among related 243 patents in last 5 years, we discover 171 new entrants. Zhejiang Haosheng Elevator Guide Co. Ltd., Murphy Ladder, LLC, Hangzhou Kangfenwei Technology Co., Ltd. are the most active new entrants in this area.
Zhejiang Haosheng Elevator Guide Co. Ltd.
Zhejiang Sheng, China
Patent: 5
Utah, United States
Patent: 4
Hangzhou Kangfenwei Technology Co., Ltd.
Zhejiang Sheng, China
Patent: 4
Pennsylvania, United States
Patent: 4
China Railway Baoji Bridge Group Co., Ltd.
Shaanxi Sheng, China
Patent: 3
CRRC Qingdao Sifang Co., Ltd.
Shandong Sheng, China
Patent: 3
China Shipbuilding NDRI Engineering Co., Ltd.
Shanghai Shi, China
Patent: 3
California, United States
Patent: 2
With the analysis among 17 patents, we discovered top 8 universities and scientific research institutions by total patent application. Zhejiang University, Hangzhou Dianzi University, Dalian Jiaotong University are dominant in this area. They take 29.41% of the total patent filing.
Zhejiang Sheng, China
Patent: 2
Hangzhou Dianzi University
Zhejiang Sheng, China
Patent: 1
Dalian Jiaotong University
Liaoning Sheng, China
Patent: 1
Shandong University of Science & Technology
Shandong Sheng, China
Patent: 1
Qingdao University of Technology
Shandong Sheng, China
Patent: 1
Hubei University of Arts & Science
Hubei Sheng, China
Patent: 1
Henan University of Animal Husbandry & Economy
Henan Sheng, China
Patent: 1
Zhengzhou Railway Vocational & Technical College
Henan Sheng, China
Patent: 1