Issued Patents All Time
Showing 76–76 of 76 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4397906 | Multilayer structural building material | Hachirou Yuura | 1983-08-09 |
Showing 76–76 of 76 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4397906 | Multilayer structural building material | Hachirou Yuura | 1983-08-09 |