Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4495300 | Method for manufacture of low thermal expansion cordierite ceramics | — | 1985-01-22 |
| 4367292 | Method for manufacture of powder composition for cordierite | Hiroyoshi Takagi | 1983-01-04 |