Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12310509 | Powered rocking lounger chair | Chih-Hsiung Liu | 2025-05-27 |
| 12082698 | Mechanism for zero-gravity reclining chair | Chih-Hsiung Liu | 2024-09-10 |
| 11969095 | Lift chair with horizontally maintained armrests | Chih-Hsiung Liu | 2024-04-30 |
| 11671019 | Bridge circuit with series-connected switches and control method thereof | Shuai Shao, Jianjia Zhang, Yucen Li, Junming Zhang, Kuang SHENG | 2023-06-06 |
| 10376061 | Swivel base assembly for use in conjunction with an electrically powered chair | Chih-Hsiung Liu, Mei Jun Xu, Ya Xin Wu | 2019-08-13 |
| 8123289 | Lift chair and a chair frame with a position holding mechanism for use therewith | Jian Qiu, Yan Zhang, Xiao Zhang | 2012-02-28 |