Jinniu Yuan

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Shenzhen, CN

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Patents Grantslast 30 patents

Information Patent Grant
Lanyard
- Patent number D1058660
- Issue date Jan 21, 2025
- Dehua Guo
- D16 - Photography and optical equipment
Information Patent Grant
Earphone
- Patent number D968372
- Issue date Nov 1, 2022
- Shenzhen Taipuda Technology Co., Ltd.
- Dehua Guo
- D14 - Recording, communication, or information retrieval equipment

Patents Applicationslast 30 patents

Information Patent Application
In-ear earplug structure
- Publication number 20240277527
- Publication date Aug 22, 2024
- Shenzhen Taipuda Technology Co., Ltd.
- Dehua Guo
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
In-ear earplug structure
- Publication number 20220339039
- Publication date Oct 27, 2022
- Shenzhen Taipuda Technology Co., Ltd.
- Dehua Guo
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE