Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874658 | Synthetic filament-reinforced polymer material sheet and process for producing the same | Tetsuo Okamoto | 1989-10-17 |
| 4835956 | Bulky flat yarn of silky touch and a process for manufacturing the same | Katsuyuki Kasaoka | 1989-06-06 |