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 | Masato Hirao, Yasunori Kobayashi, Noriaki Tokuyama, Mitsuhiro Yoshida, Yoshihiro Ohtsuka +3 more | 1995-10-24 |
| 5265663 | Architectural shutter curtain device | Noriaki Tokuyama | 1993-11-30 |
| 5205336 | Rolling shutter | Norihisa Isemura, Kazunobu Fukano | 1993-04-27 |