With the analysis among 42,151 patents, we discovered top 456 key players by total patent application. Koninklijke Philips NV, Siemens AG, Siemens SA are dominant in this area. They take 3.96% of the total patent filing.
With the analysis among related 5,786 patents applied in the last 5 years. We discover 500 most active companies in this area. The fast-growing Chengdu Hongming Electronics Co. Ltd., Dongguan Fuge Electronic Co. Ltd., Anhui Heli Co., Ltd. take 2.13% of patent filing during this period.
With the analysis among 3,123 patents, we discovered top 382 universities and scientific research institutions by total patent application. Zhejiang University, Jilin University, Tianjin University are dominant in this area. They take 2.63% of the total patent filing.