Shengmin Qian

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Shanghai, CN

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Patents Grantslast 30 patents

Information Patent Grant
High pressure water gun
- Patent number D1077138
- Issue date May 27, 2025
- Shanghai HOTO Technology Co., Ltd
- Shengmin Qian
- D23 - Environmental heating and cooling
Information Patent Grant
Flashlight
- Patent number D1076168
- Issue date May 20, 2025
- Shanghai HOTO Technology Co., Ltd
- Fei Lei
- D26 - Lighting
Information Patent Grant
Camping light
- Patent number D1044071
- Issue date Sep 24, 2024
- SHANGHAI HOTO TECHNOLOGY CO., LTD.
- Lidan Liu
- D26 - Lighting