Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7422323 | Hinge system for eyewear | Masatoshi Saitoh | 2008-09-09 |
| 7308737 | Magnetically actuated locking mechanism | Masatoshi Saitoh | 2007-12-18 |
| 7234739 | Magnetic latch assembly | Masatoshi Saitoh | 2007-06-26 |
| 6886935 | Nose pad assembly for an eyeglass frame | Masatoshi Saitoh | 2005-05-03 |
| 6520636 | Nosepiece assembly for an adjustable eyeglass frame | Masatoshi Saitoh | 2003-02-18 |
| 6183080 | Integral vertical plane adjusting mechanism for an eyeglass frame with multifocal lenses | — | 2001-02-06 |
| 6056398 | Opthalmic frame for bi-focal lenses and nose patch therefor | — | 2000-05-02 |
| 5691796 | Ophthalmic mounting for bifocal lenses | — | 1997-11-25 |
| D329446 | Nose piece for use with eyeglasses | — | 1992-09-15 |
| 4925292 | Frame for multifocal spectacles | — | 1990-05-15 |
| 4861151 | Frame for multifocal spectacles | — | 1989-08-29 |
| 4547048 | Spectacle frame for multifocal lenses | — | 1985-10-15 |