Issued Patents 2025
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1089574 | Toilet seat | Kazuki Otsuka, Hiroshi Shimoda | 2025-08-19 |
| D1089575 | Toilet seat | Kazuki Otsuka, Hiroshi Shimoda | 2025-08-19 |
| D1067394 | Toilet seat | Kazuki Otsuka, Masanobu Wano, Hiroshi Shimoda | 2025-03-18 |