Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4746684 | Polyurethane dispersion and emulsion, sheet-like porous material and production process thereof | Katsumi Kuriyama, Iwao Misaizu, Masashi Kashimura | 1988-05-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4746684 | Polyurethane dispersion and emulsion, sheet-like porous material and production process thereof | Katsumi Kuriyama, Iwao Misaizu, Masashi Kashimura | 1988-05-24 |