Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5192366 | Cement admixture and cement composition | Asaaki Nishioka, Tomohiro Kaneko, Masaki Ogasawara | 1993-03-09 |
| 4933013 | Hydraulic material composition having high strength | Yukio Shibayama, Kazuhiro Kaizaki, Yasuhito Fushii | 1990-06-12 |
| 4915740 | Hydraulic material composition having high strength | Tutomu Kida, Yasuhito Fushii, Yukio Sasagawa | 1990-04-10 |
| 4708626 | Mold assembly | Asaaki Nishioka, Kiyosi Watanabe, Iwao Mino | 1987-11-24 |