Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4812361 | Acrylic fiber having Y-type section and process for producing the same | Fumio Takemoto, Tuneo Kunishige | 1989-03-14 |
| 4455347 | Acrylic fibers having irregular-form section and process for producing the same | Yoshinobu Kotera, Masaki Sugiyama | 1984-06-19 |