Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11618979 | Method for producing polyurethane elastic fiber | — | 2023-04-04 |
| 11105020 | Polyurethane elastic fiber and method for producing polyurethane elastic fiber | — | 2021-08-31 |
| 10975240 | Method for producing antioxidant and method for producing elastic polyurethane fiber | Hiroyuki Tano | 2021-04-13 |
| 6406788 | Elastic polyurethane fiber | Masanori Doi | 2002-06-18 |
| 6353049 | Elastic polyurethane fiber and process for producing the same | Masanori Doi | 2002-03-05 |
| 5447969 | Polyurethane composition | Yoshiaki Kojima | 1995-09-05 |