Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7459516 | Polyketone fiber and process for producing the same | Toru Morita, Hitoshi Yamazaki, Jinichiro Kato | 2008-12-02 |
| 7332561 | Polytrimethylene terephthalate composition particles and process for producing same | Jinichiro Kato, Satoru Yoshida | 2008-02-19 |
| 6949210 | Composite fiber having favorable post-treatment processibility and method for producing the same | Tadashi Koyanagi, Takao Abe, Yousei Mitsumori | 2005-09-27 |
| 6740400 | Poly (trimethylene terephthalate) and a process for producing the same | Jinichiro Kato, Yoichiro Azuma, Katsuhiro Fujimoto | 2004-05-25 |
| 6689461 | False twisted yarn of polyester composite fiber and method for production thereof | Tadashi Koyanagi, Takao Abe, Mitsuyuki Yamamoto | 2004-02-10 |
| 6673444 | Monofilament yarn and process for producing the same | Yasunori Yuuki, Tadashi Koyanagi | 2004-01-06 |
| 6555220 | Composite fiber having favorable post-treatment processibility and method for producing the same | Tadashi Koyanagi, Takao Abe, Yousei Mitsumori | 2003-04-29 |
| 6495254 | Poly(trimethylene terephthalate) fiber | Takao Abe, Youichiro Azuma | 2002-12-17 |
| 6423407 | Polytrimethylene terephthalate fiber | Takao Abe, Jinichiro Kato | 2002-07-23 |
| 5281476 | Crimped multifilament and method for manufacturing the same | Tadashi Koyonagi, Hironori Hamada, Yumio Endoh | 1994-01-25 |
| 5108675 | Process for preparing easily dyeable polyethylene terephthalate fiber | Hiroyuki Makino | 1992-04-28 |
| 4986483 | Winder of synthetic yarn, cheese-like yarn package of synthetic yarn, and method for winding the same | Ushio Ryu, Hideo Ono, Kengi Kabashima, Yutaka Masushige, Tadashi Koyanagi | 1991-01-22 |