Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11846309 | Grommet for attaching cover and cover | Koji Tomiyama, Koichiro Iwanaga, Takuya TOKUNAGA, Junichiro Suzuki | 2023-12-19 |
| 9551144 | Sound absorbing cover, sound absorbing assembly, and magnetic induction foam molding device | Koji Tomiyama, Akio Yabu | 2017-01-24 |