Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5139567 | Process for recovering valuable metals from a dust containing zinc | Toshio Matsuoka, Shinichi Kurozu | 1992-08-18 |
| 5123631 | Method of and apparatus for continuously discharging molten metal and slag | Toshio Matsuoka, Shinichi Kurozu | 1992-06-23 |
| 4824479 | Method for producing a carbonaceous solid reductant for direct reduction of iron ore | Toshio Matsuoka, Seiji Sugimori, Shinichi Kurozu | 1989-04-25 |
| 4595574 | Method for recovering zinc from substances containing a zinc compound | Toshio Matsuoka, Shinichi Kurozu, Tadamitu Nagayasu, Seiji Sugimori | 1986-06-17 |
| 4427370 | Method of treating raw materials in an iron reduction process | — | 1984-01-24 |
| 4427373 | Method of discharging material from a rotary furnace | — | 1984-01-24 |