Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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, Shoji Anezaki | 1983-06-21 |
| 4328030 | Steel making process and apparatus | Yasuyuki Tozaki, Minoru Ueda, Syoji Anezaki | 1982-05-04 |
| 4290802 | Steel making process | Nobuyoshi Hiroki, Seiichi Masuda | 1981-09-22 |