Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4917727 | Method of operating a blast furnace | Hiroshi Saito, Hirohisa Hotta, Masahiro Matsuura | 1990-04-17 |
| 4844737 | Method for operating a blast furnance by blowing pulverized coal | Hiroshi Saito, Takehiko Miyamoto, Kazumasa Wakimoto, Hitoshi Kawada, Masahiro Matsuura | 1989-07-04 |