Patents per Year
Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12201581 | Rotatable fixing structure of water spray device | Cheng-Hsiung Chang | 2025-01-21 |
| D1010379 | Chair armrest | — | 2024-01-09 |
| D959887 | Chair armrest | — | 2022-08-09 |
| D959182 | Chair armrest | — | 2022-08-02 |
| D949352 | Pedicure spa tub | — | 2022-04-19 |
| D917021 | Sprayer for a foot spa tub | Cheng-Hsiung Chang | 2021-04-20 |
| D909111 | Part of pedicure foot spa massage chair | Cheng-Hsiung Chang | 2021-02-02 |
| D907223 | Pedicure spa tub | Cheng-Hsiung Chang | 2021-01-05 |
| 10806664 | Spa sprayer | Cheng-Hsiung Chang | 2020-10-20 |
| 10807115 | Fixing structure of spa sprayer | Cheng-Hsiung Chang | 2020-10-20 |
| D760910 | Pedicure spa base | — | 2016-07-05 |
| D659844 | Water foot massager | — | 2012-05-15 |
| D622858 | Feet bathtub | — | 2010-08-31 |