Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12134736 | Method of producing coal blend and method of producing coke | Daisuke Igawa, Takashi Matsui | 2024-11-05 |
| 12110457 | Method of estimating surface tension of coal inert material, method of estimating surface tension of coal, and method of producing coke | Daisuke Igawa, Tetsuya Yamamoto | 2024-10-08 |
| 12061140 | Method for evaluating coal, method for preparing coal blend, and method for producing coke | Issui AKISHIKA, Daisuke Igawa | 2024-08-13 |
| 12037546 | Method of estimating surface tension of coal and method of producing coke | Daisuke Igawa, Takashi Matsui | 2024-07-16 |
| 11912940 | Method of producing coal mixture and method of producing coke | Takashi Matsui, Mikiya Nagayama | 2024-02-27 |
| 10802011 | Coal-to-coal adhesiveness evaluation method | Kiyoshi Fukada, Hiroyuki Sumi, Hidekazu Fujimoto, Izumi Shimoyama, Takashi Anyashiki +1 more | 2020-10-13 |
| 10739285 | Evaluating method for coal and producing method for coke | Kiyoshi Fukada, Takashi Matsui, Mikiya Nagayama, Narumi Nanri, Kazutoshi Hanada | 2020-08-11 |
| 10414986 | Method for manufacturing coke, coke, and method for evaluating homogeneity of coal blend | YOSHIKO MAETA, Kazutoshi Hanada, Kiyoshi Fukada, Takashi Matsui, Michio Honma +1 more | 2019-09-17 |
| 10240092 | Coal mixture, method for manufacturing coal mixture, and method for manufacturing coke | Kiyoshi Fukada, Takashi Matsui, Mikiya Nagayama, Narumi Nanri | 2019-03-26 |
| 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, Takashi Anyashiki, Kiyoshi Fukada, Hidekazu Fujimoto, Izumi Shimoyama | 2018-05-15 |
| 9857350 | Coal-to-coal adhesiveness evaluation method | Kiyoshi Fukada, Hiroyuki Sumi, Hidekazu Fujimoto, Izumi Shimoyama, Takashi Anyashiki +1 more | 2018-01-02 |
| 9850441 | Method for blending coals, and method for producing coke | Kiyoshi Fukada, Hiroyuki Sumi, Hidekazu Fujimoto, Izumi Shimoyama, Takashi Anyashiki +1 more | 2017-12-26 |
| 9708558 | Method for preparing coal for coke making | Izumi Shimoyama, Kiyoshi Fukada, Hiroyuki Sumi | 2017-07-18 |
| 9701907 | Coke manufacturing method | Kiyoshi Fukada, Takashi Matsui, Michio Honma, Masahiro Shinohara, Mikiya Nagayama | 2017-07-11 |
| 9463980 | Method for manufacturing coke | Kiyoshi Fukada, Hiroyuki Sumi, Izumi Shimoyama, Takashi Anyashiki, Hidekazu Fujimoto +1 more | 2016-10-11 |
| 9340740 | Method for evaluating thermal plasticity of coals and caking additives, and method for producing coke | Izumi Shimoyama, Kiyoshi Fukada, Tetsuya Yamamoto, Hiroyuki Sumi | 2016-05-17 |
| 9102892 | Method for preparing coal for coke making | Izumi Shimoyama, Kiyoshi Fukada, Tetsuya Yamamoto, Hiroyuki Sumi | 2015-08-11 |