Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10829880 | Portable washing unit | Hai Shu, Peishi Lv, Masahiro Fujiwara, Masakazu Yamamoto, Zhengtao Wang | 2020-11-10 |
| 10648111 | Stain removal device | Masahiro Fujiwara, Masakazu Yamamoto | 2020-05-12 |
| 10549320 | Stain removal device | Hai Shu, Peishi Lv, Masahiro Fujiwara, Masakazu Yamamoto, Zhengtao Wang | 2020-02-04 |