Congratulations to Prof. Songye Zhu, a Key Member of Hong Kong Branch of National Rail Transit Electrification and Automation Engineering Technology Research Center (CNERC-Rail). He received a patent certificate issued by National Intellectual Property Administration (CNIPA), PRC on 12 January 2021. The new patent is called "Electromagnetic apparatus for generating negative stiffness and method of vibration control" (用于产生负刚度的电磁设备和振动控制的方法).
More details of the patent can be found at http://epub.cnipa.gov.cn/certifdesc.action?strWhere=CN107795631B.
More details of the patent can be found at http://epub.cnipa.gov.cn/certifdesc.action?strWhere=CN107795631B.