Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12297794 | Evaporated fuel treatment device | Ayumi Oba, Koji Iwamoto | 2025-05-13 |
| 12180915 | Unit attachment structure | — | 2024-12-31 |
| 12076689 | Canister | Koji Iwamoto | 2024-09-03 |
| 11661911 | Evaporated fuel treatment device | Takuya Nakagawa, Masahito Hosoi | 2023-05-30 |