Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6950180 | Lens meter | Takeyuki Kato, Eiichi Yanagi | 2005-09-27 |
| 6937328 | Method for measuring refractive power and apparatus therefor | Takeyuki Kato | 2005-08-30 |
| 6844925 | Apparatus for measuring refractive power | Eiichi Yanagi | 2005-01-18 |