Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4226947 | Flexible urethane foams having a low density and a method for producing said foams | Toshio Yukuta, Hiroya Fukuda, Seiji Ishii | 1980-10-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4226947 | Flexible urethane foams having a low density and a method for producing said foams | Toshio Yukuta, Hiroya Fukuda, Seiji Ishii | 1980-10-07 |