Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698331 | Hygroscopic polyester copolymer, and a hygroscopic fiber made therefrom | Yuko Harashina, Tetsunori Higuchi, Tai Sasamoto | 1997-12-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698331 | Hygroscopic polyester copolymer, and a hygroscopic fiber made therefrom | Yuko Harashina, Tetsunori Higuchi, Tai Sasamoto | 1997-12-16 |