Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11486022 | Ferrocoke manufacturing method | Hidekazu Fujimoto, Toru Shiozawa | 2022-11-01 |
| 11111441 | Method for producing ferrocoke | Hidekazu Fujimoto, Toru Shiozawa | 2021-09-07 |
| 10802011 | Coal-to-coal adhesiveness evaluation method | Kiyoshi Fukada, Hiroyuki Sumi, Hidekazu Fujimoto, Izumi Shimoyama, Tetsuya Yamamoto +1 more | 2020-10-13 |
| 10144891 | Method for preparing coal mixture for cokemaking, coal mixture, and method for producing coke | Izumi Shimoyama, Kiyoshi Fukada, Hidekazu Fujimoto, Hiroyuki Sumi | 2018-12-04 |
| 9970921 | Method for evaluating weathering degree of coal, method for evaluating coking property of weathered coal, method for controlling weathering degree of coal, and method for producing coke | Hiroyuki Sumi, Kiyoshi Fukada, Yusuke Dohi, Hidekazu Fujimoto, Izumi Shimoyama | 2018-05-15 |
| 9857350 | Coal-to-coal adhesiveness evaluation method | Kiyoshi Fukada, Hiroyuki Sumi, Hidekazu Fujimoto, Izumi Shimoyama, Tetsuya Yamamoto +1 more | 2018-01-02 |
| 9850441 | Method for blending coals, and method for producing coke | Kiyoshi Fukada, Hiroyuki Sumi, Hidekazu Fujimoto, Izumi Shimoyama, Tetsuya Yamamoto +1 more | 2017-12-26 |
| 9845439 | Method for blending coals for cokemaking and method for producing coke | Izumi Shimoyama, Kiyoshi Fukada, Hidekazu Fujimoto, Tetsuya Yamamoto, Hiroyuki Sumi | 2017-12-19 |
| 9463980 | Method for manufacturing coke | Kiyoshi Fukada, Hiroyuki Sumi, Izumi Shimoyama, Hidekazu Fujimoto, Tetsuya Yamamoto +1 more | 2016-10-11 |
| 8945274 | Method for operating blast furnace | Takeshi Sato, Taihei NOUCHI, Hidekazu Fujimoto, Hideaki Sato | 2015-02-03 |
| 8690987 | Method and apparatus for producing carbon iron composite | Takeshi Sato, Tetsuya Yamamoto, Hidekazu Fujimoto | 2014-04-08 |
| 6136455 | Coating composition for precoated steel sheet, precoated steel sheet, and process for preparing the same | Keiji Yoshida, Masaru Sagiyama, Masaaki Yamashita, Yasuyuki Kajita, Hiroyuki Kato +5 more | 2000-10-24 |
| 6018013 | Coating composition and method for producing precoated steel sheets | Keiji Yoshida, Kazumi Itou | 2000-01-25 |
| 5817731 | Coating composition and method for producing precoated steel sheets | Kenji Yoshida, Kazumi Itou, Shouichi Oosuka | 1998-10-06 |