Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6237518 | Trousers-fly-serging apparatus | Akio Yunoki, Osamu Igarashi | 2001-05-29 |
| 4989851 | Method and apparatus for stacking fabric strips with slide fastener stringers | Akio Yunoki, Masaharu Matsui | 1991-02-05 |