Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4571765 | Method of and apparatus for thermally treating fiber yarns | Tokio Okada, Haruhisa Tani | 1986-02-25 |
| 4525317 | Method and apparatus for stretching film or fibrous web | Tokio Okada, Haruhisa Tani, Kazuhiko Kurihara, Hirosi Yazawa | 1985-06-25 |
| 4499639 | Process for broadening the width of a bundle of parallel filaments having a band form | Tokio Okada, Haruhisa Tani, Setsuya Tsuyama, Kazuhiko Kurihara, Hiroshi Yazawa | 1985-02-19 |
| 4489630 | Method and apparatus for slitting thermoplastic films | Tokio Okada, Haruhisa Tani, Kazuhiko Kurihara, Hirosi Yazawa | 1984-12-25 |
| 4440700 | Process for collecting centrifugally ejected filaments | Tokio Okada, Haruhisa Tani, Kazuhiko Kurihara, Hiroshi Yazawa | 1984-04-03 |
| 4434128 | Method and apparatus for stretching thermoplastic polymer films | Tokio Okada, Haruhisa Tani, Kazuhiko Kurihara, Hirosi Yazawa | 1984-02-28 |