Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4508572 | Cement composition for laying underwater | Masaharu Sakuta, Iwao Uchizaki, Yasuhiko Yoshioka, Koichi Ito, Tadahiro Kaya +3 more | 1985-04-02 |
| 4487633 | Water-inseparable concrete composition | Masaharu Sakuta, Iwao Uchizaki, Yasuhiko Yoshioka, Koichi Ito, Toshio Saito +3 more | 1984-12-11 |