Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5356456 | Method of degassing and decarburizing stainless molten steel | Hiroshi Nishikawa, Masanori Nishikohri | 1994-10-18 |
| 4955126 | Process for fusing steel slabs in longitudinal direction thereof | Masaru Shibata, Masayuki Onishi, Shigeru Ogura, Masaru Washio, Hideo Kuguminato +1 more | 1990-09-11 |