With the analysis among 204,171 patents, we discovered top 470 key players by total patent application. Koninklijke Philips NV, Siemens AG, Siemens SA are dominant in this area. They take 5.57% of the total patent filing.
With the analysis among related 40,219 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing Koninklijke Philips NV, Bose Corp., Cirrus Logic International Semiconductor Ltd. take 3.22% of patent filing during this period.
With the analysis among related 40,219 patents in last 5 years, we discover 41 new entrants. eXo Imaging, Inc., Shenzhen Goodix Technology Co., Ltd., Cativa, Inc. are the most active new entrants in this area.
With the analysis among 27,619 patents, we discovered top 368 universities and scientific research institutions by total patent application. Zhejiang University, Chinese Academy of Sciences Institute of Acoustics, Tianjin University are dominant in this area. They take 4.84% of the total patent filing.