Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4254182 | Polyester synthetic fiber containing particulate material and a method for producing an irregularly uneven random surface having recesses and projections on said fiber by chemically extracting said particulate material | Shinji Yamaguchi, Takao Akagi, Katsura Maeda, Masao Kawamoto, Akira Kubotsu | 1981-03-03 |