Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4240817 | Urea resin foam mat | Iwao Takizawa, Toru Shimizu | 1980-12-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4240817 | Urea resin foam mat | Iwao Takizawa, Toru Shimizu | 1980-12-23 |