With the analysis among 13,403 patents, we discovered top 477 key players by total patent application. Siemens AG, Siemens SA, Koninklijke Philips NV are dominant in this area. They take 2.98% of the total patent filing.
With the analysis among related 2,916 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing CRRC Tangshan Co., Ltd., GAMA Healthcare Ltd., NuVasive, Inc. take 1.34% of patent filing during this period.
With the analysis among 776 patents, we discovered top 216 universities and scientific research institutions by total patent application. Tsinghua University, Chang'an University, University of Melbourne are dominant in this area. They take 2.84% of the total patent filing.