Hung-you Cheng

4 Patents

• US118991882024

  Optical Lens System

  YOUNG OPTICS Inc.

  0 cites
• US118414832023

  Optical Lens Including Five Lenses of −−+−+, −−+++ or −−+−+, or Six Lenses of −−−+−+ or −−++−+ Refractive Powers

  RAYS OPTICS Inc.

  0 cites
• US118089272023

  Lens Assembly

  RAYS OPTICS Inc.

  0 cites
• US116751532023

  Lens Assembly

  RAYS OPTICS Inc.

  0 cites