Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5316571 | Alumina-spinel type monolithic refractories | Takashi Yamamura, Toshihiko Kaneshige, Makoto Nanba, Yukitoshi Kubota | 1994-05-31 |
| 4751204 | Two-part gunning refractory composition | Hiroshi Kyoden, Kenji Ichikawa | 1988-06-14 |
| 4623393 | Refractory gun mix | Masumi Toda, Masashi Mori, Shingo Nonaka, Hiroshi Kyoden, Kenji Ichikawa | 1986-11-18 |