Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4314517 | Sewing machine with supplemental work supporting surface | Tukasa Yamaguchi, Shigeharu Shichi, Masayuki Kato, Senji Suito | 1982-02-09 |
| 4220103 | Auxiliary table for sewing machines of a free arm type | Shigeharu Shichi, Senji Suito | 1980-09-02 |