Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5601782 | Abrasive resistant high manganese cast steel | Hiroshi Toriyama | 1997-02-11 |
| 4532105 | Casting alloy resistant to corrosion and wear at elevated temperatures | Kiwamu Okuma, Tsunehiro Haga, Hatsuo Kawaguti | 1985-07-30 |
| 4348241 | Heat-treatment of semifinished product-sliding surface of shaping members in plastic metal-working apparatus | Hatsuo Kawaguchi, Minoru Ono | 1982-09-07 |