Issued Patents All Time
Showing 1–2 of 2 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, Shinji Sasakawa, Shin Kikuchi, Yuji Ogawa +1 more | 2000-01-25 |
| 5902374 | Vacuum refining method for molten steel | Shinya Kitamura, Kenichiro Miyamoto, Shinji Sasakawa, Kunihiko Fujiwara | 1999-05-11 |