Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5137670 | Polyester fiber and process for manufacture | Shigemitsu Murase, Hiroshi Yokoyama | 1992-08-11 |
| 5066439 | Method of making polyester fibers | Hiroshi Yokoyama, Masami Takahashi | 1991-11-19 |
| 4956446 | Polyester fiber with low heat shrinkage | Toshiro Takahashi, Masami Takahashi | 1990-09-11 |