Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4545786 | Apparatus for gasifying solid carbonaceous materials | Toyosuke Tanoue, Masanobu Sueyasu, Mitsuichiro Fukuda | 1985-10-08 |
| 4474605 | Process for refining high-chromium steels | Seiichi Masuda, Yoichi Umeda, Masayuki Taga, Hidemasa Nakajima | 1984-10-02 |
| 4459137 | Gasification of solid carbonaceous materials | Toyosuke Tanoue, Masanobu Sueyasu, Mitsuichiro Fukuda | 1984-07-10 |
| 4456477 | Production of ultra-low phosphorus steel | Seiichi Masuda, Yoshimichi Ohkita, Takeo Aoki, Hidemasa Nakajima, Shozo Okamura +2 more | 1984-06-26 |
| 4450004 | Dephosphorization and desulfurization method for molten iron alloy containing chromium | Takeo Aoki | 1984-05-22 |