Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11641109 | Grid-forming wind turbine control method for diode rectifier unit-based offshore wind power transmission system | Zheren Zhang, Zheng Xu | 2023-05-02 |
| 11433562 | Razor head | Chi Ren, Xiangrong Ren | 2022-09-06 |
| D895208 | Razor head | — | 2020-09-01 |
| D863681 | Razor handle | — | 2019-10-15 |