Jianhua Zhang

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Huizhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Electric toothbrush head and electric toothbrush
- Patent number 12,268,566
- Issue date Apr 8, 2025
- Jianhua Zhang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Electric toothbrush head and electric toothbrush
- Patent number 12,114,766
- Issue date Oct 15, 2024
- Huizhou Mint Leaf Technology Co., Ltd
- Jianhua Zhang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE