Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4539301 | Graphite-containing refractories | Toshiaki Kaneko, Hiroshi Shikano | 1985-09-03 |
| 4248638 | Method for preparing a magnesia carbon brick | Junji Yomota, Fumiaki Kurashina, Mareyasu Kamiide | 1981-02-03 |