Chun-shan Chen

4 Patents

• US124496392025

  Imaging Lens System Including Five Lenses of +−−+− or +−++− Refractive Powers

  LARGAN PRECISION CO., Ltd.

  0 cites
• US122420362025

  Optical Imaging System

  LARGAN PRECISION CO., Ltd.

  0 cites
• US116751652023

  Optical Imaging System

  LARGAN PRECISION CO., Ltd.

  0 cites
• US115613752023

  Optical Image Lens System

  LARGAN PRECISION CO., Ltd.

  0 cites