Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5306769 | Acetal copolymer and process for producing same | Tatsuo Sone, Tadashige Hata | 1994-04-26 |
| 5294670 | Polyacetal copolymer and composition thereof | Tadashige Hata | 1994-03-15 |
| 5288840 | Polyoxymethylene copolymer and process for producing the copolymer | Hirohisa Morishita | 1994-02-22 |