Dehua Guo

7 Patents

• US124753922025

  Auxiliary Decision-making Method for Urban Subway Waterlogging Risk Disposal Based on Bayesian Network

  China National Institute Of Standardization

  0 cites
• USD10882152025

  Noise Reduction Earplug

  Shenzhen Yunde Technology Co., Ltd.

  0 cites
• USD10746412025

  Headphone

  Shenzhen Apwil Electronic Co., Ltd.

  0 cites
• USD10586602025

  Lanyard

  0 cites
• USD10221812024

  Noise Reduction Earplug

  0 cites
• USD09768632023

  Earphone

  Shenzhen Apwill Electronic Co., Ltd.

  0 cites
• USD09745422023

  Earplug

  Shenzhen Apwill Electronic Co., Ltd.

  0 cites