Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5540771 | Concrete product using aggregates obtained by pulverizing melt slags and the method of fabricating the same | Takeshi Tsunemi, Tohru Okui | 1996-07-30 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5540771 | Concrete product using aggregates obtained by pulverizing melt slags and the method of fabricating the same | Takeshi Tsunemi, Tohru Okui | 1996-07-30 |