Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8002890 | Mortar composition | Takeshi Yano | 2011-08-23 |
| 4626187 | Apparatus for preparing a synthetic resin plate of different colors | — | 1986-12-02 |
| 4232078 | Multi-colored synthetic resin sheet | — | 1980-11-04 |