Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4660709 | Entirely automatic, cold box type machine for molding an integral connecting core | Kazuo Kawai, Sumikazu Kawai | 1987-04-28 |
| 4637450 | Entirely automatic, cold box type machine for molding an integral connecting core | Kazuo Kawai, Sumikazu Kawai | 1987-01-20 |
| 4572273 | Blow plate and/or blow nozzle automatic cleaning device | — | 1986-02-25 |
| 4559989 | Entirely automatic, cold box type machine for molding an integral connecting core | Kazuo Kawai, Sumikazu Kawai | 1985-12-24 |