Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4787597 | Cloth faced form for forming concrete | Takayoshi Yokota, Shigekazu Horiya | 1988-11-29 |
| 4730805 | Form for forming concrete | Takayoshi Yokota, Shigekazu Horiya | 1988-03-15 |