Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4773206 | False-twist textured yarn of polyamide and method and apparatus for producing the same | Heiichiro Matsuda, Masaru Tokizane | 1988-09-27 |
| 4682465 | False-twist textured yarn of polyamide | Heiichiro Matsuda, Masaru Tokizane | 1987-07-28 |
| 4656825 | Sewing thread and method for manufacturing the same | Takao Negishi | 1987-04-14 |
| 4578940 | Method for manufacturing sewing thread | Takao Negishi | 1986-04-01 |
| 4523428 | Process for manufacturing textured multifilament yarn having alternating twist | Takao Negishi, Kazuo Tomiita | 1985-06-18 |
| 4513565 | Sewing thread | Takao Negishi | 1985-04-30 |
| 4402178 | Textured multifilament yarn having alternating twists | Takao Negishi, Kazuo Tomiita | 1983-09-06 |