Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4652310 | Process for making a hardening agent for weak soil or sludge from steel making slag | Takashi Toshimitsu, Hiroyuki Jogo | 1987-03-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4652310 | Process for making a hardening agent for weak soil or sludge from steel making slag | Takashi Toshimitsu, Hiroyuki Jogo | 1987-03-24 |