Issued Patents All Time
Showing 1–25 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1093639 | Three-pronged muscle massager | — | 2025-09-16 |
| D1093640 | Flat muscle massager | — | 2025-09-16 |
| D1087061 | Wireless speaker | ZHI-HUA LIU, Zijing Xie, Chaoqun Cai | 2025-08-05 |
| D1076238 | Earmuff | Xu Feng Yang, Jia Ting Xiao, Ming-Gung Li | 2025-05-20 |
| 12276317 | Hydraulic damping device with adjustable resistance and a riding platform | ZHI-HUA LIU, Xin Li | 2025-04-15 |
| 12220064 | Folding seat | ZHI-HUA LIU | 2025-02-11 |
| 12214261 | Buoyant devices | ZHI-HUA LIU | 2025-02-04 |
| 12064988 | Connectable marker pens | ZHI-HUA LIU, Dengwu WU | 2024-08-20 |
| 12048859 | Fitness devices and methods for switching training modes thereof | ZHI-HUA LIU, Hui Xu | 2024-07-30 |
| D1031064 | Massage gun | Zhi Liu, Xufeng Yang, Lei Wang, JunFei Deng | 2024-06-11 |
| 11980800 | Hydraulic damping device with adjustable resistance and a riding platform | ZHI-HUA LIU, Xin Li | 2024-05-14 |
| D1023148 | Art marker | ZHI-HUA LIU, Xufeng Yang, Zhengchen Cai | 2024-04-16 |
| D1004571 | Soundbar speaker | ZHI-HUA LIU, Hailong Zhou | 2023-11-14 |
| D993147 | Art marker | ZHI-HUA LIU, Xufeng Yang, Zhengchen Cai | 2023-07-25 |
| D989747 | Pair of earphones | ZHI-HUA LIU, Zhenxing Pi, Qingfeng Xiong | 2023-06-20 |
| D978794 | Earphone charger box | ZHI-HUA LIU, Zhenxing Pi | 2023-02-21 |
| D974334 | Wireless earphone | ZHI-HUA LIU, Zhenxing Pi | 2023-01-03 |
| D956011 | Kid headphones | ZHI-HUA LIU, Jinying Zhao, Hailong Zhou | 2022-06-28 |
| D954021 | Kid wireless headphones | ZHI-HUA LIU, Jinying Zhao, Hailong Zhou | 2022-06-07 |
| D947809 | Kids wireless headphones | ZHI-HUA LIU, Jinying Zhao, Hailong Zhou | 2022-04-05 |
| D947153 | Kid headphone | ZHI-HUA LIU, Jinying Zhao, Hailong Zhou | 2022-03-29 |
| D944767 | Kid wireless headphone | ZHI-HUA LIU, Jinying Zhao, Hailong Zhou | 2022-03-01 |
| D944768 | Kid headphone | ZHI-HUA LIU, Jinying Zhao, Hailong Zhou | 2022-03-01 |
| D944904 | Sandbag | ZHI-HUA LIU | 2022-03-01 |
| D944766 | Kid wireless headphone | ZHI-HUA LIU, Jinying Zhao, Hailong Zhou | 2022-03-01 |