Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5607885 | Low thermal expansion cordierite aggregate and its bonded body | Tomoko Ichii, Keiichiro Suzuki | 1997-03-04 |
| 5552349 | Low thermal expansion cordierite aggregate and its bonded body | Tomoko Ichii, Keiichiro Suzuki | 1996-09-03 |
| 4336339 | High zirconia fused refractory product | Kiyoharu Kuwabara | 1982-06-22 |