Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5919282 | Process for vacuum refining molten steel and apparatus thereof | Yosuke Hoshijima, Kazuhisa Fukuda, Masao Iguchi, Hidekazu Kakizoe, Hiroki Gofuku +2 more | 1999-07-06 |
| 5413623 | Process and apparatus for vacuum degassing molten steel | Teruyoshi Hiraoka, Hiroshi Nagahama, Kazuhisa Fukuda, Akira Nobumoto, Takahiro Isono +2 more | 1995-05-09 |