Kunsheng Chen

3 Patents

• US123700882025

  Ear Canal Care Device

  HEIFENG ZHIZAO (SHENZHEN) TECHNOLOGY CO., Ltd

  0 cites
• USD10598282025

  Ear Cleaner Storage Device

  HEIFENG ZHIZAO (SHENZHEN) TECHNOLOGY CO., Ltd

  0 cites
• US118900282024

  Visual Tweezer

  HEIFENG ZHIZAO (SHENZHEN) TECHNOLOGY CO., Ltd

  0 cites