Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4224056 | Direct reduction process for iron ores with fluidized bed system | Fumio Tomizawa, Kazuo Sezaki, Makoto Shimizu | 1980-09-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4224056 | Direct reduction process for iron ores with fluidized bed system | Fumio Tomizawa, Kazuo Sezaki, Makoto Shimizu | 1980-09-23 |