Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5022335 | Upper thread supplying device in sewing machine | Susumu Hanyu, Mikio Koike, Kazumasa Hara, Mitsuru Nishijima, Akiyoshi Sasano | 1991-06-11 |
| 4998491 | Method of automatically controlling upper thread tension in a sewing machine | Susumu Hanyu, Kazumasa Hara, Shuzo Morimoto | 1991-03-12 |
| 4960062 | Sewing machine automatic thread tension device with thread elongation detector | Susumu Hanyu, Kazumasa Hara, Mikio Koike, Mitsuru Ninijima | 1990-10-02 |
| 4949657 | Sewing machine with a device for amending thread tightening by needle positions | Susumu Hanyu, Kazumasa Hara, Mikio Koike | 1990-08-21 |
| 4714040 | Sewing machine four motion speed | — | 1987-12-22 |
| 4478161 | Switching device of a double-function sewing machine | Susumu Hanyu, Reishi Nomota, Yoshikazu Ebata | 1984-10-23 |
| 4348969 | Sewing machine with a horizontal-type loop taker | Kazumasa Hara, Mikio Koike | 1982-09-14 |
| 4343250 | Lock stitching and over-lock stitching sewing machine | Susumu Hanyu, Kazumasa Hara, Koichi Watanabe | 1982-08-10 |
| 4331092 | Pattern cam positioning means in stopping device for sewing machines | Michio Hisatake, Yasuro Sano | 1982-05-25 |
| 4319533 | Automatic sewing machine | — | 1982-03-16 |
| 4267786 | Lock stitching and overlock stitching sewing machine | Susumu Hanyu, Kazumasa Hara, Koichi Watanabe | 1981-05-19 |