Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11910743 | Grass trimming head and grass trimmer having the same | Jianpeng Guo, Toshinari Yamaoka, Fangjie Nie, Qi Zhang, Zongjing Li +1 more | 2024-02-27 |
| 11503759 | Grass trimming head and grass trimmer having the same | Jianpeng Guo, Toshinari Yamaoka, Fangjie Nie, Qi Zhang, Zongjing Li +1 more | 2022-11-22 |
| 10856466 | Grass trimming head and grass trimmer having the same | Jianpeng Guo, Toshinari Yamaoka, Fangjie Nie, Qi Zhang, Zongjing Li +1 more | 2020-12-08 |