Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12378615 | Blast furnace operation method | Kazuhira Ichikawa, Yasukazu Hayasaka, Yohei Kitamura | 2025-08-05 |
| 11940215 | Blast furnace apparatus and operation method for blast furnace | Yusuke Kashihara, Yuki OKAMOTO | 2024-03-26 |
| 11512899 | Blast furnace apparatus and operation method for blast furnace | Yusuke Kashihara, Yuki OKAMOTO | 2022-11-29 |
| 8298316 | Method for producing pig iron | Hiroyuki Hiroha, Koichi Nushiro, Atsushi Sakai | 2012-10-30 |
| 7473393 | Method for discharging reduced product from a movable-hearth furnace and a discharging device | Tatsuya Ozawa, Yoshitaka Sawa, Tetsuya Yamamoto, Kanji Takeda, Tetsuya Kikui | 2009-01-06 |
| 7141205 | Method for discharging reduced product from a movable-hearth furnace and a discharging device | Tatsuya Ozawa, Yoshitaka Sawa, Tetsuya Yamamoto, Kanji Takeda, Tetsuya Kikui | 2006-11-28 |
| 6872074 | Method for discharging reduced product from a movable-hearth furnace and a discharging device | Tatsuya Ozawa, Yoshitaka Sawa, Tetsuya Yamamoto, Kanji Takeda, Tetsuya Kikui | 2005-03-29 |