Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5134324 | Moving magnet type linear motor for automatic door | Yoshiaki Nagasawa | 1992-07-28 |
| 5075583 | Brushless DC linear motor | Toshiaki Onoyama, Yoshiaki Nagasawa, Toshihiro Andou | 1991-12-24 |
| 4641065 | Moving coil type linear motor | Osamu Shibuki, Noboru Matsuyama, Yoshiaki Nagasawa, Katsuhiro Kawai, Toshiaki Onoyama | 1987-02-03 |
| 4462185 | Door operating device for a slide door unit | Osamu Shibuki, Yoichi Umemura | 1984-07-31 |