Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4715719 | Method of preparing mortar or concrete | Yasuro Ito, Yoshiro Higuchi, Takeshi Shiki, Yukikazu Tsuji, Masanori Tsuji | 1987-12-29 |
| 4686852 | Method of preparing mortar or concrete | Yasuro Ito, Yoshiro Higuchi, Takeshi Shiki, Yukikazu Tsuji, Masanori Tsuji | 1987-08-18 |
| 4431310 | Method of preparing kneaded compositions | Yasuro Ito, Yoshiro Higuchi, Masanori Tsuji, Hideharu Kaga, Yasuhiro Yamamoto +5 more | 1984-02-14 |