Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8889062 | Carbonaceous refractory and method of production of same and also blast furnace bottom or side walls | Hiroyuki Inoue, Michio Nitta, Taijiro Matsui, Yoshiyuki Yamagami, Toru Mochida | 2014-11-18 |
| 7300560 | Cathode block for aluminum refining and method for production thereof | Yuji Yamamura, Yoshihiro Fujii, Shinjiro Toda | 2007-11-27 |
| 6875716 | Carbonaceous refractory and method for preparing the same | Akio Ishii, Hitoshi Nakamura, Michio Nitta, Hirofumi Mikami, Yoshiyuki Yamagami | 2005-04-05 |
| 5576254 | Carbon refractory for blast furnace and method for manufacturing such carbon refractory | Hitoshi Nakamura, Yorihito Mikami, Yutaka Takusagawa | 1996-11-19 |