Issued Patents 2023
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11781734 | Lens component and signal display lamp | Daisuke Shigematsu | 2023-10-10 |
| 11739518 | Flush toilet | Eiji Shiohara, Masaaki Momoe, Kazuya Esaki, Masaki Mori | 2023-08-29 |
| 11718981 | Tank device | Shu Kashirajima, Yuuki Shinohara, Koji Shibuya | 2023-08-08 |
| 11549252 | Flush toilet | Eiji Shiohara, Masaaki Momoe, Kazuya Esaki, Masaki Mori | 2023-01-10 |