Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4775704 | Mold material for forming sandmold without requiring mold wash | Masanori Ohshima | 1988-10-04 |
| 4323393 | Hot dipping lead base coating material | Masanori Ohshima | 1982-04-06 |