Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4738688 | Process for gasifying carbonaceous material | Hidemasa Nakajima, Shozo Okamura, Masanobu Sueyasu, Sakae Furujo | 1988-04-19 |
| 4522650 | Process for production of low phosphorus alloy | Hidemasa Nakajima, Shozo Okamura, Masanobu Sueyasu, Sakae Furujho, Kohji Okane | 1985-06-11 |
| 4456477 | Production of ultra-low phosphorus steel | Seiichi Masuda, Tohru Matsuo, Yoshimichi Ohkita, Takeo Aoki, Hidemasa Nakajima +2 more | 1984-06-26 |
| 4389246 | Gasification process of solid carbonaceous material | Shozo Okamura, Hidemasa Nakajima, Katsukiyo Marukawa, Takeyuki Hirata | 1983-06-21 |