Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4373087 | O-Tolidine sulfone based copolyamide fiber | Seiji Ishikawa, Hiroshi Daimon, Toshio Katsura, Tadahiro Hondo, Masahiro Ueda | 1983-02-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4373087 | O-Tolidine sulfone based copolyamide fiber | Seiji Ishikawa, Hiroshi Daimon, Toshio Katsura, Tadahiro Hondo, Masahiro Ueda | 1983-02-08 |