Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5547505 | Compositions for low heat cements | Kazuya Nakatsu, Toru Higaki, Hideki Endo, Satoru Hirose, Yukinori Yamazaki | 1996-08-20 |
| 4547223 | Cement-shrinkage-reducing agent and cement composition | Takeshi Sato, Kouzou Sakai, Motohiko Ii | 1985-10-15 |