Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1056964 | Gas filling machine main body | Makoto Arai | 2025-01-07 |
| D1055983 | Gas filling machine main body | Makoto Arai | 2024-12-31 |
| D1055984 | Gas filling machine | Makoto Arai | 2024-12-31 |
| D1051951 | Gas filling machine main body | Makoto Arai | 2024-11-19 |
| D1008314 | Gas filling apparatus main body | Makoto Arai | 2023-12-19 |