P

Inventor

GUO DEHUA

CN10 patents
⚠️ This page may combine multiple inventors who share the name “GUO DEHUA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SHENZHEN APWILL ELECTRONIC CO LTD

3 patents
USD974542SJan 3, 2023

Earplug

SHENZHEN APWILL ELECTRONIC CO LTD5 citations70
USD976863SJan 31, 2023

Earphone

SHENZHEN APWILL ELECTRONIC CO LTD2 citations69
USD968362SNov 1, 2022

Earphone

SHENZHEN APWILL ELECTRONIC CO LTD1 citations58

SHENZHEN TAIPUDA TECH CO LTD

2 patents
USD963155SSep 6, 2022

Swimming earplugs

SHENZHEN TAIPUDA TECH CO LTD10 citations81
USD968372SNov 1, 2022

Earphone

SHENZHEN TAIPUDA TECH CO LTD4 citations68

SHENZHEN APWIL ELECTRONIC CO LTD

2 patents
USD1074641SMay 13, 2025

Headphone

SHENZHEN APWIL ELECTRONIC CO LTD2 citations68
USD1058660SJan 21, 2025

Lanyard

SHENZHEN APWIL ELECTRONIC CO LTD0 citations56

SHENZHEN CHANGLONG TRADING CO LTD

1 patent
USD1022181SApr 9, 2024

Noise reduction earplug

SHENZHEN CHANGLONG TRADING CO LTD6 citations78

SHENZHEN YUNDE TECH CO LTD

1 patent
USD1088215SAug 12, 2025

Noise reduction earplug

SHENZHEN YUNDE TECH CO LTD0 citations59

CHINA NAT INST STANDARDIZATION

1 patent
US12475392B2Nov 18, 2025

Auxiliary decision-making method for urban subway waterlogging risk disposal based on Bayesian network

CHINA NAT INST STANDARDIZATION0 citations42