Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5106905 | Colorants, polyester fibers mass-colored therewith and process for spinning mass-colored polyester fibers | Shosuke Oku, Noboru Watanabe, Fumio Hirota, Tsutomu Kado | 1992-04-21 |