Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11951639 | Interconnecting member and handle for razor | Chi Ren | 2024-04-09 |
| D970815 | Razor head | — | 2022-11-22 |
| 11433562 | Razor head | Chi Ren, Yanqiu Jin | 2022-09-06 |
| D892406 | Razor head | — | 2020-08-04 |
| 10639808 | Elastic fastener for razor | — | 2020-05-05 |
| 10335968 | Razor head | Chi Ren | 2019-07-02 |
| 10155320 | Scratch-resistant razor head having resilient legs and razor with the same | — | 2018-12-18 |
| 10093031 | Razor head having a trimming unit | — | 2018-10-09 |
| D776875 | Razor head | Chi Ren | 2017-01-17 |
| 8689448 | Razor head and outer frame thereof | — | 2014-04-08 |