Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5962130 | Durable polyurethane fiber and method for the manufacture thereof | Masao Umezawa, Hideki Nakanishi | 1999-10-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5962130 | Durable polyurethane fiber and method for the manufacture thereof | Masao Umezawa, Hideki Nakanishi | 1999-10-05 |