Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5154224 | Refractory brick for a glass fusion furnace | Kouhei Yasui, Takeshi Nakamura, Hideki Igarashi | 1992-10-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5154224 | Refractory brick for a glass fusion furnace | Kouhei Yasui, Takeshi Nakamura, Hideki Igarashi | 1992-10-13 |