Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1084051 | Sewing machine | Syuuichi Saitou, Shigemi Yamamoto, Sumika Suzuki | 2025-07-15 |
| D984465 | Display screen or portion thereof with graphical user interface | Shigemi Yamamoto, Syuuichi Saitou | 2023-04-25 |
| 11625867 | Sewing apparatus | Shigemi Yamamoto, Shuichi Saito | 2023-04-11 |
| D879159 | Sewing machine | Shigemi Yamamoto, Syuuichi Saitou | 2020-03-24 |
| D879160 | Foot controller for sewing machines | — | 2020-03-24 |
| D765149 | Sewing machine | Shigemi Yamamoto, Syuuichi Saitou | 2016-08-30 |
| D700634 | Sewing machine | Syuuichi Saitou, Shigemi Yamamoto | 2014-03-04 |