Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884597 | Pile warp yarn tension control | Zenji Tamura, Kenji Sakurada | 1989-12-05 |
| 4827985 | Method of controlling pile warp tension in synchronism with loom movement | Katsuhiko Sugita, Tsutomu Sainen | 1989-05-09 |