Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6875316 | High reactivity and high strength coke for blast furnace and method for producing the same | Koji Hanaoka, Seiji Sakamoto, Yutaka Yamauchi, Shizuki Kasaoka, Toshiro Sawada +3 more | 2005-04-05 |
| 6830660 | Method for producing metallurgical coke | Yutaka Yamauchi, Seiji Sakamoto, Shizuki Kasaoka, Toshiro Sawada, Koichi Shinohara +2 more | 2004-12-14 |
| 6581779 | Method of the magnetic loading of a sintering material | Nobuyuki Oyama, Kouichi Nushiro, Seiji Taguchi, Norifumi Fujii, Kenji Takihira +2 more | 2003-06-24 |
| 6349833 | Method of feeding sintering material by use of magnetic forces | Nobuyuki Oyama, Kouichi Nushiro, Seiji Taguchi, Norifumi Fujii, Kenji Takihira +2 more | 2002-02-26 |
| 5609458 | Method of charging coal into chamber furnace-type coke oven and apparatus therefor | Kouji Hanaoka, Seiji Taguchi, Takashi Matsui, Kenichi Sorimachi | 1997-03-11 |