Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5840380 | Basicity-Resistant Refractory | Etsuji Kimura, Kenichi Yamaguchi | 1998-11-24 |
| D377884 | Table plate | — | 1997-02-11 |
| 5595948 | Magnesia-titania refractory and method for manufacturing the same | Etsuji Kimura, Kenichi Yamaguchi, Susumu Okabe | 1997-01-21 |