Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6818728 | Polyketone fiber and process for producing the same | Toru Morita, Ryu Taniguchi | 2004-11-16 |
| 6740400 | Poly (trimethylene terephthalate) and a process for producing the same | Yoichiro Azuma, Katsuhiro Fujimoto, Teruhiko Matsuo | 2004-05-25 |
| 6692671 | Process for producing a polyester fiber | Katsuhiro Fujimoto | 2004-02-17 |
| 6680353 | Polyester resin composition and fiber | Tetsuko Takahashi | 2004-01-20 |