Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6047872 | Core breaking machine for partially breaking the core of weather strip | Asajiro Kii | 2000-04-11 |
| 5871682 | Weather strip and a core breaking machine for partially breaking the core of weather strip | Asajiro Kii | 1999-02-16 |