Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874427 | Methods for melting and refining a powdery ore containing metal oxides | Takao Hamada, Toshihiro Inatani, Eiji Katayama, Toshimitsu Koitabashi, Kyoji Okabe +2 more | 1989-10-17 |
| 4505745 | Methods of producing and using amorphous mother alloy | Takao Hamada, Yo Ito, Toshihiro Inatani, Yoshiyasu Takada, Mitsuo Sumito +2 more | 1985-03-19 |
| 4397691 | Method for producing Fe-B molten metal | Takao Hamada, Toshihiro Inatani, Yoshiyasu Takada, Mitsuo Sumito, Eiji Katayama +3 more | 1983-08-09 |