Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5452213 | Process and apparatus for preparing mixture comprising granular materials such as sand, powder such as cement and liquid | Toshio Hirose, Hajime Okamura, Yukikazu Tsuji | 1995-09-19 |
| 4715719 | Method of preparing mortar or concrete | Yoshiro Higuchi, Takeshi Shiki, Yukikazu Tsuji, Masanori Tsuji, Mitsutaka Hayakawa | 1987-12-29 |
| 4686852 | Method of preparing mortar or concrete | Yoshiro Higuchi, Takeshi Shiki, Yukikazu Tsuji, Masanori Tsuji, Mitsutaka Hayakawa | 1987-08-18 |
| 4566799 | Apparatus for adjusting the quantity of liquid deposited on fine granular materials and method of preparing mortar or concrete | Yoshiro Higuchi | 1986-01-28 |
| 4547975 | Method and apparatus for adjusting the quantity of water deposited on a fine aggregate | Yoshiro Higuchi, Seiichi Aida | 1985-10-22 |
| 4492478 | Method and apparatus for applying mortar or concrete | Yoshiro Higuchi, Masanori Tsuji, Yasuhiro Yamamoto, Hiroshi Tada, Kenji Kuroha +2 more | 1985-01-08 |
| 4431310 | Method of preparing kneaded compositions | Yoshiro Higuchi, Masanori Tsuji, Hideharu Kaga, Yasuhiro Yamamoto, Kenji Kuroha +5 more | 1984-02-14 |
| 4384787 | Method and apparatus for adjusting the quantity of liquid deposited on fine granular materials and method of preparing mortar or concrete | Yoshiro Higuchi | 1983-05-24 |
| 4337020 | Method and apparatus for manufacturing articles of hydraulic substances | Hideharu Kaga, Yasuhiro Yamamoto, Tadayuki Sumita | 1982-06-29 |
| 4299633 | Method of preparing green compositions containing a hydraulic substance and method of utilizing the same | Yoshiro Higuchi, Yutaka Mochida, Sampei Kemmochi, Hideharu Kaga, Yasuhiro Yamamoto | 1981-11-10 |
| 4292351 | Method of blasting concrete | Yoshiro Higuchi, Yutaka Mochida, Hideharu Kaga, Yasuhiro Yamamoto, Tadayuki Sumita | 1981-09-29 |
| 4234534 | Method and apparatus for manufacturing articles of hydraulic substances | Hideharu Kaga, Yasuhiro Yamamoto, Tadayuki Sumita | 1980-11-18 |