National invention patents:
1. magnetoelectric polyvinylidene fluoride/lead zirconate titanate/terbium dysprosium iron sheet composite material and preparation method thereof
2. Nanocrystalline PVC material for building and its preparation method.
3. A composite material of fluid inorganic nanoparticles and polymer and its preparation method.
4. Solvent-free inorganic nanoparticle fluid and its preparation method