Issued Patents 2022
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11503759 | Grass trimming head and grass trimmer having the same | Jianpeng Guo, Toshinari Yamaoka, Qi Zhang, Zongjing Li, Fei Wang +1 more | 2022-11-22 |
| 11419262 | Grass trimmer | Jianpeng Guo, Maohui Li, Toshinari Yamaoka | 2022-08-23 |
| 11252867 | Safety assembly for a lawncare apparatus | Toshinari Yamaoka, Haishen Xu, Xiandian Shao | 2022-02-22 |
| 11246262 | Operation safety assembly for a lawncare apparatus | Toshinari Yamaoka, Haishen Xu, Xiandian Shao | 2022-02-15 |
| 11248626 | Handheld blower | Xiandian Shao, Toshinari Yamaoka, Jianpeng Guo | 2022-02-15 |
| 11219161 | Hand-propelled power tool | Guangqian Zhu, Na Guo, Toshinari Yamaoka, Qi Zhang | 2022-01-11 |