Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7060642 | Refractory raw materials, method for production thereof and refractory using the material | Tsunemi Ochiai | 2006-06-13 |
| 5866490 | Monolithic refractory and gunning material using the refractory | Akira Watanabe, Hirokuni Takahashi, Yasutoshi Mizuta | 1999-02-02 |