Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6824269 | Eye's optical characteristic measuring system | Katsuhiko Kobayashi, Masahiro Shibutani | 2004-11-30 |
| 6789899 | Eye's optical characteristic measuring system | Katsuhiko Kobayashi, Masahiro Shibutani | 2004-09-14 |
| 6676258 | Eye characteristic measurement apparatus with speckle noise reduction | Naoki Nakazawa, Masahiro Shibutani, Katsuhiko Kobayashi | 2004-01-13 |