Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4499837 | Stitch pattern selector in sewing machines | Hitoshi Ishikawa | 1985-02-19 |
| 4429650 | Extruded sewing machine frame | Hitoshi Ishikawa, Yasuro Sugiura | 1984-02-07 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4499837 | Stitch pattern selector in sewing machines | Hitoshi Ishikawa | 1985-02-19 |
| 4429650 | Extruded sewing machine frame | Hitoshi Ishikawa, Yasuro Sugiura | 1984-02-07 |