Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8636824 | Production method for carbonaceous material-containing metal oxide briquettes | Takao Harada | 2014-01-28 |
| 8506880 | Iron bath-type melting furnace | Hideaki Fujimoto, Korehito Kadoguchi, Kiminori Hajika | 2013-08-13 |
| 8475561 | Method for producing molten iron | Masataka Tateishi, Hideaki Fujimoto | 2013-07-02 |
| 8262766 | Method for reducing chromium containing raw material | Hidetoshi Tanaka, Takao Harada, Itsuo Miyahara, Isao Kobayashi | 2012-09-11 |
| 8206487 | Method for producing carbon composite metal oxide briquettes | — | 2012-06-26 |
| 8101007 | Method for reduction treatment of electric furnace dust | Hiroshi Tamazawa | 2012-01-24 |
| 8088195 | Method for manufacturing titanium oxide-containing slag | Hidetoshi Tanaka, Itsuo Miyahara, Hiroshi Uemura, Takao Harada, Isao Kobayashi | 2012-01-03 |
| 8012237 | Process for producing molten iron | Hideaki Fujimoto, Tsuyoshi Mimura, Takao Harada, Masataka Tateishi, Kiminori Hajika | 2011-09-06 |
| 7993428 | Method for manufacturing molten iron | Hideaki Fujimoto, Tsuyoshi Mimura, Itsuo Miyahara, Takao Harada, Masataka Tateishi | 2011-08-09 |
| 7922484 | Rotary hearth furnace | Masahiko Tetsumoto, Sumito Hashimoto | 2011-04-12 |
| 7572316 | Method for manufacturing reduced metal | Takao Harada, Hidetoshi Tanaka | 2009-08-11 |
| 7340420 | Method and system for providing information on industrial wastes, server and terminal for providing the information, recording medium for recording computer-readable program, and program allowing computer to execute process | Takao Harada, Hidetoshi Tanaka | 2008-03-04 |
| 7198658 | Method for producing feed material for molten metal production and method for producing molten metal | Takao Harada, Hidetoshi Tanaka, Masaharu Kohno | 2007-04-03 |
| 7175691 | Method of producing stainless steel by re-using waste material of stainless steel producing process | Itsuo Miyahara | 2007-02-13 |
| 7032526 | Method for combustion treatment of combustible waste and apparatus therefor | Masahiko Tetsumoto | 2006-04-25 |
| 6918947 | Method for making reduced iron | Takeshi Maki, Yoshiyuki Matsui, Takeshi Sugiyama, Takao Harada, Masahiko Tetsumoto +6 more | 2005-07-19 |
| 6797034 | Method of producing reduced metals and apparatus for reducing metal oxides | Hidetoshi Tanaka, Takao Harada | 2004-09-28 |
| 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 |