Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5454854 | Method of refining molten metal or molten alloy | Michitaka Matsuo, Ryoji Arima | 1995-10-03 |
| 4198229 | Method of dephosphorization of metal or alloy | Hiroyuki Katayama, Makoto Inatomi, Hiroyuki Kajioka, Yasushi Nakamura, Michihisa Ito +1 more | 1980-04-15 |