Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4404031 | Process for producing hydraulic cements | Giichi Sudoh, Keiichi Minegishi, Kanjiro Ishizaki | 1983-09-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4404031 | Process for producing hydraulic cements | Giichi Sudoh, Keiichi Minegishi, Kanjiro Ishizaki | 1983-09-13 |