Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6669470 | Method for operating manufacturing equipment including heating furnace | Masaaki Atsushi, Hidetoshi Tanaka, Takao Harada | 2003-12-30 |
| 6585800 | Method for making molten metal | Hiroshi Uemura, Toshiyuki Okumura | 2003-07-01 |