Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7645362 | Method for pretreating and improving coking coal quality for blast furnace coke | Kenji Kato, Takashi Arima, Masaki Sasaki, Makoto Matsuura, Hiroki NAKAI | 2010-01-12 |