Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8597787 | Cationic dyeable polyurethane elastic yarn and method of production | Toshihiro Tanaka, Hirokuni Inoue, Masahi Hara | 2013-12-03 |
| 8277941 | Elastic polyurethane yarn and method of manufacturing the same | Toshihiro Tanaka, Masashi Hara | 2012-10-02 |