Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4337020 | Method and apparatus for manufacturing articles of hydraulic substances | Yasuro Ito, Hideharu Kaga, Yasuhiro Yamamoto | 1982-06-29 |
| 4292351 | Method of blasting concrete | Yasuro Ito, Yoshiro Higuchi, Yutaka Mochida, Hideharu Kaga, Yasuhiro Yamamoto | 1981-09-29 |
| 4234534 | Method and apparatus for manufacturing articles of hydraulic substances | Yasuro Ito, Hideharu Kaga, Yasuhiro Yamamoto | 1980-11-18 |