Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4798758 | Foam glass having crust layer and method of producing same | Makoto Nagano, Akira Nakanishi, Tomoyoshi Hiraki, Akira Ueno, Shoji Takahashi +2 more | 1989-01-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4798758 | Foam glass having crust layer and method of producing same | Makoto Nagano, Akira Nakanishi, Tomoyoshi Hiraki, Akira Ueno, Shoji Takahashi +2 more | 1989-01-17 |