Nian Chen

5 Patents

• USD10604332025

  Multifunctional Air Pump

  Dongguan Lingdu Industrial Co., Ltd.

  0 cites
• US122162492025

  Optical Imaging Lens Including Six Lenses of +-+-+-or +++-+-refractive Powers

  ZHEJIANG SUNNY OPTICS CO., Ltd.

  0 cites
• US118991782024

  Optical Imaging Lens Assembly Including Six Lenses of +−+−+− Refractive Powers

  ZHEJIANG SUNNY OPTICS CO., Ltd.

  0 cites
• US115794062023

  Optical Imaging Lens Assembly

  Zhejiang Sunny Optical Co., Ltd.

  0 cites
• US115613772023

  Optical Imaging Lens Assembly

  ZHEJIANG SUNNY OPTICAL CO., Ltd

  0 cites