Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5679418 | Polyurethane and leather-like sheet utilizing the same | — | 1997-10-21 |
| 5648151 | Porous polyurethane sheet | Akinobu Mizoguchi, Shinji Nakanishi | 1997-07-15 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5679418 | Polyurethane and leather-like sheet utilizing the same | — | 1997-10-21 |
| 5648151 | Porous polyurethane sheet | Akinobu Mizoguchi, Shinji Nakanishi | 1997-07-15 |