Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D903294 | Sock with nonslip part | Susumu Hara, Naomi Hamazaki, Chika Watatani | 2020-12-01 |
| D855305 | Sock with nonslip part | Susumu Hara, Naomi Hamazaki, Chika Watatani | 2019-08-06 |