Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12402718 | Toothbrush | Xiaoguo DAI | 2025-09-02 |
| 12090515 | Acoustic wave type electric cleaning care appliance and pressure alarm device for same | Xiaoguo DAI | 2024-09-17 |
| 11918101 | Connecting structure for electric cleaning device handle and head assembly | Xiaoguo DAI | 2024-03-05 |
| 11641933 | Photosensitive pressure alarm device for electric cleaning care appliances | Xiaoguo DAI | 2023-05-09 |
| 11234803 | Electric cleaning and care appliance, pressure alarming method and apparatus for the appliance | Xiaoguo DAI | 2022-02-01 |
| 10792138 | Cleaning device | Xiaoguo DAI, Ling Dai | 2020-10-06 |
| 10792137 | Device with controllable switch terminal voltage | Xiaoguo DAI | 2020-10-06 |
| 10786338 | Fixing structure for use in driver apparatus of electric cleaning appliance | Xiaoguo DAI | 2020-09-29 |
| 10582990 | Head module capable of reciprocal rotation for electric cleaning apparatus | Xiaoguo DAI | 2020-03-10 |
| 10463460 | Personal cleaning care appliance | Xiaoguo DAI, Ling Dai | 2019-11-05 |
| 10418928 | Adjustable circuit for personal electric cleaning care appliance | Xiaoguo DAI, Ling Dai | 2019-09-17 |
| 10179037 | Reciprocally rotatable brush head | Xiaoguo DAI, Ling Dai | 2019-01-15 |
| 9827080 | Head structure of a brush appliance | Xiaoguo DAI | 2017-11-28 |