Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4851038 | Method for manufacturing agglomerates of fired pellets | Hidetoshi Noda, Hideomi Yanaka | 1989-07-25 |
| 4810290 | Agglomerated ores and a producing method therefor | Hiroshi Saito, Hiroshi Fukuya, Yoshihito Iwata | 1989-03-07 |