Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5566741 | Roll screen apparatus | Takeshi Ogawara, Masato Fujihara | 1996-10-22 |
| 5553649 | Blind apparatus | Masaki Daizen, Yutaka Okamura, Yukihiro Tajima, Mamoru Kataoka, Akira Sone +1 more | 1996-09-10 |