Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5607885 | Low thermal expansion cordierite aggregate and its bonded body | Keiichiro Suzuki, Masataro Okumiya | 1997-03-04 |
| 5552349 | Low thermal expansion cordierite aggregate and its bonded body | Keiichiro Suzuki, Masataro Okumiya | 1996-09-03 |