Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5044944 | Furnace of decreasing oxygen concentration to ultra low amount | Toshio Furuya | 1991-09-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5044944 | Furnace of decreasing oxygen concentration to ultra low amount | Toshio Furuya | 1991-09-03 |