Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5840423 | Polyvinyl alcohol-based fiber having excellent hot water resistance and production process thereof | Hirofumi Sano, Tomoyuki Sano, Mitsuro Mayahara, Yoshinori Hitomi, Akira Shimizu +1 more | 1998-11-24 |