Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5069960 | Skin-surfaced foam glass tile | Katsuhisa FUKUMOTO, Kiyotaka Kawanishi, Junpei Yamano | 1991-12-03 |
| 4990398 | Skin-surfaced foam glass tile and method for production thereof | Katsuhisa FUKUMOTO, Kiyotaka Kawanishi, Junpei Yamano | 1991-02-05 |