Issued Patents 2024
Showing 1–5 of 5 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 |