Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9447479 | Method of treating recyclable raw materials | Nobuhiro Oguma | 2016-09-20 |
| 6574263 | Method for charging anode into furnace and method for designing furnace | Osamu Iida | 2003-06-03 |
| 6239051 | Magnesia-spinel refractory and method of producing the same | Hideya Sato, Susumu Okabe, Masaharu Yamada | 2001-05-29 |