Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6017380 | Top-blown refining method in converter featuring excellent decarburization and top-blown lance for converter | Shinya Kitamura, Kenichiro Naito, Kimitoshi Yonezawa, Shinji Sasakawa, Shin Kikuchi +1 more | 2000-01-25 |
| 5884685 | Quality prediction and quality control of continuous-cast steel | Kazushige Umezawa, Takehiko Toh, Makoto Tanaka, Eiichi Takeuchi | 1999-03-23 |
| 5746970 | Nozzle and method of blowing hot metal | Dan Bergman | 1998-05-05 |