Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4939191 | High strength cured cement article and process for manufacturing the same | Nobuhiro Kataoka, Hideaki Igarashi | 1990-07-03 |
| 4775704 | Mold material for forming sandmold without requiring mold wash | Teiji Nagahori | 1988-10-04 |
| 4323393 | Hot dipping lead base coating material | Teiji Nagahori | 1982-04-06 |