Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7846301 | Method of production of blast furnace coke | Kenji Katou, Isao Sugiyama, Yoshiaki Nakashima, Hiroshi Uematsu, Takashi Arima +1 more | 2010-12-07 |
| 6002993 | Apparatus for monitoring wall surface | Shuji Naito, Takanori Kajiya, Masato Sugiula | 1999-12-14 |
| 5720116 | Apparatus for drying and heating coal to be charged to coke oven | — | 1998-02-24 |