Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6412539 | Drive assembly for opening and closing a rolling door | Yasushi Yamamoto, Wataru Nakatsuka, Hiroshi Miyanokoshi | 2002-07-02 |
| 6059008 | Braking device for shutter for building | Mitsuo Yoshida | 2000-05-09 |