Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9598806 | Automated bobbin exchanger device | Sei Kato | 2017-03-21 |
| 8635964 | Automated skip checker device for sewing machine | Ryuzo Sugimoto | 2014-01-28 |
| 7577976 | Support server, support method, and program for determining providing route of content | — | 2009-08-18 |
| 7246073 | System for and method of performing corporate mileage service | — | 2007-07-17 |
| 6170417 | Remote control bobbin case exchanger device | Sei Kato | 2001-01-09 |
| 5911186 | Under thread detection device for sewing machine | Yoshito Hasegawa | 1999-06-15 |
| 5775243 | Thread exchanger device for sewing machine | Sei Kato | 1998-07-07 |