Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4470743 | Container | Kimiaki Ohtawa | 1984-09-11 |
| 4412674 | High-temperature reduced iron production | Kimiaki Ohtawa, Hiroyoshi Takahashi | 1983-11-01 |
| 4411611 | Briquetting machine | Kimiaki Ohtawa | 1983-10-25 |
| 4398876 | Hot-briquetting apparatus for reduced iron | Kimiaki Ohtawa, Hiroyoshi Takahashi | 1983-08-16 |
| 4376648 | Process for producing reduced iron | Kimiaki Ohtawa, Masahiro Tokuda | 1983-03-15 |