Qifeng Wei

4 Patents

• US125692192026

  Methods and Systems for Valve Regurgitation Assessment

  KONINKLIJKE PHILIPS N.V.

  0 cites
• US120927072024

  Method for Identifying Irreversible Demagnetization of Grain Boundary Diffusion Ndfeb Magnet

  Hangzhou Foresee Group Holding Co., Ltd.

  0 cites
• US119211742024

  Method for Identifying Irreversible Demagnetization of Grain Boundary Diffusion Ndfeb Magnet

  Hangzhou Foresee Group Holding Co., Ltd.

  0 cites
• US117839722023

  Preparation Method of Neodymium Iron Boron Products and Neodymium Iron Boron Product Prepared by Using the Same

  Hangzhou Foresee Group Holding Co., Ltd.

  0 cites