Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6595150 | Thread tension control device for a sewing machine | — | 2003-07-22 |
| 5391905 | Integrated logic circuit | — | 1995-02-21 |
| 4935710 | High frequency filter for electric instruments | Hiroshi Sugimoto, Takashi Sakurai, Toshiki Saburi, Taisei Katoh | 1990-06-19 |