Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12281365 | Method for producing molten steel | Koji Tokuda | 2025-04-22 |
| 12276002 | Molten steel production method | Koji Tokuda | 2025-04-15 |
| 10017836 | Method for producing reduced iron | Shoichi Kikuchi, Takao Harada, Shingo Yoshida | 2018-07-10 |
| 8668783 | Steel wire rod having excellent drawability and fatigue properties, and manufacturing method of the same | Sei Kimura, Tetsushi Deura | 2014-03-11 |
| 8146649 | Method of continuous casting of high-aluminum steel and mold powder | Takashi Miyake, Hitoshi Nakata, Tomoaki Omoto, Yukimasa Iwamoto | 2012-04-03 |
| 8012237 | Process for producing molten iron | Hideaki Fujimoto, Takao Harada, Masataka Tateishi, Kiminori Hajika, Hiroshi Sugitatsu | 2011-09-06 |
| 7993428 | Method for manufacturing molten iron | Hideaki Fujimoto, Itsuo Miyahara, Takao Harada, Masataka Tateishi, Hiroshi Sugitatsu | 2011-08-09 |
| 4957545 | Smelting reduction process using reducing gas generated in precombustor | Akihide Hikosaka, Tomio Suzuki, Takeo Yoshigae, Shuzo Itoh | 1990-09-18 |
| 4908059 | Process for melting cold iron material | Akihide Hikosaka, Tomio Suzuki, Takeo Yoshigae, Shuzo Ito | 1990-03-13 |