Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5506181 | Refractory for use in casting operations | Toshihiro Isobe, Syouichi Itose | 1996-04-09 |
| 5104833 | Refractory for casting a basic substance | Toshihiro Isobe, Hisashi Matsuoka, Yasuhisa Abe | 1992-04-14 |
| 4990475 | Alumina-spinal monolithic refractories | Toshihiro Isobe, Teruyuki Nishitani, Takashi Genba | 1991-02-05 |