Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5388630 | Method of manufacturing core and mold | Hiroaki Sano, Masaaki Ohata, Kiyotaka Nagai, Hiroshi Matsuura, Kunio Koshiishi +2 more | 1995-02-14 |
| 5167916 | Method for spherodizing molten cast iron and ladle for use in the spherodizing | Hiroaki Sano, Kiyotaka Nagai, Hiroo Sato | 1992-12-01 |