Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8308844 | Method of reduction treatment of metal oxides or steelmaking waste and method of concentrating and recovering zinc and/or lead | Hiroshi Ichikawa, Tetsuharu Ibaraki, Hiroshi Oda, Yoichi Abe, Shigeki Takahashi +2 more | 2012-11-13 |
| 7964014 | Metal oxide-bearing green pellets for reducing furnace, method of production of same, method of reduction of same, and reduction facility | Tetuharu Ibaraki, Hiroshi Oda, Masaharu Takahashi | 2011-06-21 |
| 7879132 | Method for reduction treatment of metal oxide or ironmaking waste and method for concentration and recovery zinc and/or lead | Hiroshi Ichikawa, Tetsuharu Ibaraki, Hiroshi Oda, Yoichi Abe, Shigeki Takahashi +2 more | 2011-02-01 |
| 7815710 | Metal oxide-containing green pellet for reducing furnace, method for production thereof, method of reduction thereof, and reduction facilities | Tetuharu Ibaraki, Hiroshi Oda, Masaharu Takahashi | 2010-10-19 |
| 7192552 | Facility for reducing metal oxide, method of operating the same, and shaped article of raw material for reducing furnace | Tetsuharu Ibaraki, Takashi Hiromatsu, Satoshi Kondo, Yoichi Abe | 2007-03-20 |
| 6755888 | Facility for reducing metal oxide, method for operating the facilities and moldings as raw material to be charged to reduction furnace | Tetsuharu Ibaraki, Takashi Hiromatsu, Satoshi Kondo, Yoichi Abe | 2004-06-29 |