Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11156293 | Metal gasket | Katsuma Imai, Hirotaka Muragishi | 2021-10-26 |
| 10514100 | Gasket | Mitsuyasu Nakajima | 2019-12-24 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11156293 | Metal gasket | Katsuma Imai, Hirotaka Muragishi | 2021-10-26 |
| 10514100 | Gasket | Mitsuyasu Nakajima | 2019-12-24 |