Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11161314 | Manufacturing method and manufacturing device of tire belt | — | 2021-11-02 |
| 11141943 | Winding method and winding cylinder of sheet member | — | 2021-10-12 |
| 11141944 | Manufacturing method and manufacturing device of tire belt | — | 2021-10-12 |
| 11046039 | Manufacturing method and manufacturing device of sheet-like belt | — | 2021-06-29 |