Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6315407 | High-tension thread fastening structure for eyeglasses frame | — | 2001-11-13 |
| 6264326 | Wire-and-thread rimmed frame for eyeglasses | — | 2001-07-24 |
| 5914768 | Eyeglass frame having metal-and-string rims | — | 1999-06-22 |
| 5912718 | Spectacles with decoration attachment | Masaru Murai, Takayuki Hirai, Yoshimi Maeda, Seiichi Susuki | 1999-06-15 |
| 5835183 | Rimless spectacles | Masaru Murai | 1998-11-10 |
| 5724117 | Spectacles with decoration | Masaru Murai, Takayuki Hirai, Yoshimi Maeda, Seiichi Susuki | 1998-03-03 |
| 5663780 | Spectacles with decorative lens attaching device | Masaru Murai | 1997-09-02 |
| 5469230 | Spectacles with decoration | Masaru Murai, Takayuki Hirai, Yoshimi Maeda, Seiichi Susuki | 1995-11-21 |
| 5444502 | Eyeglass frame having adjustable rim retention structure | — | 1995-08-22 |
| 5182587 | Eyeglass frame having antirotation connection | — | 1993-01-26 |
| 5160947 | Eyeglass frame with flanged bridge of NT alloy | — | 1992-11-03 |
| 5127723 | Eyeglass frame with dual structure bridge member | — | 1992-07-07 |
| 5114219 | Eyeglass frame having tubular connectors | — | 1992-05-19 |