Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6378594 | Roll screen | Ken-ichiro Egami, Masayuki Akimoto | 2002-04-30 |
| 5787951 | Roman shade | Hideaki Tonomura, Hidehiko Nakamura, Akira Sone, Toshikazu Okita | 1998-08-04 |
| 5423367 | Blind with two-part angular slats having cord passing slots formed only in one of the parts | Mamoru Kataoka, Akira Sone, Kenichi Saitoh, Masaaki Yamagishi, Shimichiro Yoshida | 1995-06-13 |
| 4466475 | Device for driving and stopping a roll blind | Yasuji Saito | 1984-08-21 |