Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6823929 | Die molding machine and pattern carrier | Minoru Hirata, Yutaka Hadano | 2004-11-30 |
| 6752196 | Method and device for filling casting sand | Minoru Hirata, Yutaka Hadano | 2004-06-22 |
| 6749003 | Compressing method for casting sand and device therefor | Minoru Hirata, Yutaka Hadano | 2004-06-15 |
| 6684933 | Method and apparatus for compacting molding sand | Minoru Hirata, Yutaka Hadano, Tsuyoshi Sakai | 2004-02-03 |