Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4381348 | Blue colored artificial stone stocks and method of manufacturing the same | Toshio Kamatani, Kensei Itakura, Kazuo Yamagishi | 1983-04-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4381348 | Blue colored artificial stone stocks and method of manufacturing the same | Toshio Kamatani, Kensei Itakura, Kazuo Yamagishi | 1983-04-26 |