With the analysis among 490 patents, we discovered top 136 key players by total patent application. Wenger Manufacturing, Inc., PGS Geophysical AS, Koninklijke Philips NV are dominant in this area. They take 25.92% of the total patent filing.
Kansas, United States
Patent: 73
Noord-Holland, Netherlands
Patent: 26
Pennsylvania, United States
Patent: 22
Ohio, United States
Patent: 14
Texas, United States
Patent: 11
Texas, United States
Patent: 11
New Jersey, United States
Patent: 8
With the analysis among 2 patents, we discovered top 2 start-ups by total patent application.
Nuevo León, Mexico
Patent: 1
With the analysis among related 30 patents applied in the last 5 years. We discover 20 most active companies in this area. The fast-growing Saudi Arabian Oil Co., Chevron, Inc., FEI, Inc. take 40.00% of patent filing during this period.
Pennsylvania, United States
Patent: 4
Tennessee, United States
Patent: 4
California, United States
Patent: 3
Zuid-Holland, Netherlands
Patent: 2
New Jersey, United States
Patent: 2
Shaanxi Sheng, China
Patent: 2
Ohio, United States
Patent: 1
Qingdao Lihe Environmental Protection Technology Co., Ltd.
Shandong Sheng, China
Patent: 1
With the analysis among related 30 patents in last 5 years, we discover 10 new entrants. FEI, Inc., Dts Co Ltd, Northwestern Polytechnical University are the most active new entrants in this area.
Tennessee, United States
Patent: 4
California, United States
Patent: 3
Shaanxi Sheng, China
Patent: 2
Zhejiang Sheng, China
Patent: 1
Qingdao Lihe Environmental Protection Technology Co., Ltd.
Shandong Sheng, China
Patent: 1
Shanghai Shi, China
Patent: 1
Tochigi-ken, Japan
Patent: 1
Fujian Sheng, China
Patent: 1
With the analysis among 22 patents, we discovered top 12 universities and scientific research institutions by total patent application. Northwestern Polytechnical University, Nanjing University of Science & Technology, Carnegie Mellon University are dominant in this area. They take 27.27% of the total patent filing.
Shaanxi Sheng, China
Patent: 2
Jiangsu Sheng, China
Patent: 2
Pennsylvania, United States
Patent: 1
Shandong Sheng, China
Patent: 1
British Columbia, Canada
Patent: 1
Fujian Sheng, China
Patent: 1
Shandong Sheng, China
Patent: 1
Zhengzhou University of Aeronautics
Henan Sheng, China
Patent: 1
Chongqing Shi, China
Patent: 1