Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6905209 | Optical characteristics measuring device | Yoko Hirohara, Naoyuki Maeda | 2005-06-14 |
| 6899428 | Contrast sensitivity measuring device and contrast sensitivity measuring method | — | 2005-05-31 |
| 6860603 | BEST CORRECTED VISUAL ACUITY CHARACTERISTICS MEASURING DEVICE, BEST CORRECTED VISUAL ACUITY CHARACTERISTICS MEASURING METHOD, CONTRAST SENSITIVITY MEASURING DEVICE, CONTRAST SENSITIVITY MEASURING METHOD, AND CONTRAST SENSITIVITY TARGET DISPLAYING DEVICE | Yoko Hirohara | 2005-03-01 |