Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5460216 | Device for moving a winding shaft in a building shutter | Yasunori Kobayashi, Noriaki Tokuyama, Masaaki Munekata, Mitsuhiro Yoshida, Yoshihiro Ohtsuka +3 more | 1995-10-24 |
| 5265662 | Shutter curtain for a building opening | Yasunori Kobayashi, Noriaki Tokuyama | 1993-11-30 |
| 4662420 | Panel shutter mechanism | — | 1987-05-05 |