Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5244727 | Refractories for use in firing ceramics | Kenichi Shibata, Kohichi Kimura, Tatsuo Takagi, Yoshihiro Goto | 1993-09-14 |
| 4849382 | Lightweight refractory and process for producing the same | Kenichi Shibata, Kouichi Kimura, Tatsuo Takagi | 1989-07-18 |