Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4725169 | Grout impregnation method | Shunsuke Tazawa, Kenji Takeuchi, Akiyoshi Horiba, Mitsuji Ishida, Syouichi Kashima | 1988-02-16 |
| 4704167 | Method and apparatus for cooling steel strip | Kozaburo Ichida, Norichika Nagira, Tadashige Namba | 1987-11-03 |
| 4449856 | Grout injection method and apparatus | Takehiko Tokoro, Shoichi Kashima | 1984-05-22 |
| 4302132 | Method of injecting grout into soil | Taihei Ogawa, Seizo Kubota, Shigeru Sekita | 1981-11-24 |