Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5230381 | Method and apparatus for manufacturing a thin metal strip by quenching and solidification | Seiko Nara, Kiyoshi Shibuya, Toru Sato | 1993-07-27 |
| 4615373 | Method and an apparatus for manufacturing a hollow steel ingot | Kenji Saito, Akihiko Nanba, Masayuki Onishi, Minoru Yao, Toshio Kato +1 more | 1986-10-07 |
| 4417719 | Top-and-bottom blown converter | Tsutomu Nozaki, Toshihiko Emi | 1983-11-29 |
| 4409024 | Top-and-bottom blown converter steel making process | Yoshiei Kato, Tsutomu Nozaki | 1983-10-11 |
| 4402739 | Method of operation of a top-and-bottom blown converter | Kenichiro Suzuki, Michio Tanaka, Jun Matsuno, Hisashi Ohmori, Tsutomu Nozaki | 1983-09-06 |
| 4353533 | Bottom tuyeres in an oxygen top-blown converter | Tatsukichi Chino, Takuo Imai, Masaaki Tsukamoto, Ryuichi Asaho, Nagayasu Bessho | 1982-10-12 |
| 4330108 | Method for cooling tuyeres | Kenji Saito, Yoshiei Kato, Tsutomu Nozaki, Toshihiko Emi | 1982-05-18 |