Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874427 | Methods for melting and refining a powdery ore containing metal oxides | Takao Hamada, Nobuo Tsuchiya, Toshihiro Inatani, Eiji Katayama, Toshimitsu Koitabashi +2 more | 1989-10-17 |
| 4466825 | Process for blast furnace operation | Mikio Kondo | 1984-08-21 |
| 4397691 | Method for producing Fe-B molten metal | Takao Hamada, Nobuo Tsuchiya, Toshihiro Inatani, Yoshiyasu Takada, Mitsuo Sumito +3 more | 1983-08-09 |
| 4248625 | Method of operating a blast furnace | Sakae Tamura, Tsuyoshi Fukutake, Seiji Taguchi, Tamotsu Nagai, Mitsuo Saino +1 more | 1981-02-03 |