Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863662 | Method for melt-spinning thermoplastic polymer fibers | Michio Ohno, Isoo Saito, Kotaro Fujioka | 1989-09-05 |
| 4852819 | Yarn winder | Michio Ohno, Akira Kadotsuji | 1989-08-01 |