Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9726290 | Seal structure using metal gasket | Kazuya Aihara, Shinya Nakaoka, Masaru Ito, Isao Tanji, Shota Toma | 2017-08-08 |
| 9581244 | Seal bead structure of gasket | Masaru Ito, Shinya Nakaoka, Isao Tanji | 2017-02-28 |