Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D927854 | Interdental brush | Natsumi Mizuno, Norito Inagaki | 2021-08-17 |
| D927192 | Interdental brush | Natsumi Mizuno, Norito Inagaki | 2021-08-10 |
| D927193 | Interdental brush | Natsumi Mizuno, Norito Inagaki | 2021-08-10 |